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Leo Buchanan

Research Profile

Geographic Areas

Ecuador

Disorders

Chemicals & Drugs

Physiology

Living Beings

Infants

Concepts & Ideas

Activities & Behaviors

Mining

Anatomy

Milk, Human

Co-author Network

Publications

TOP 3
S Allen Counter; Leo H Buchanan; Fernando Ortega
Association of hemoglobin levels and brainstem auditory evoked responses in lead-exposed children.
S Allen Counter; Fernando Ortega; Jeannette van der Velde; Leo H Buchanan; Erik Borg
Assessment of auditory brainstem function in lead-exposed children using stapedius muscle reflexes.
Leo H Buchanan; S Allen Counter; Fernando Ortega
Environmental lead exposure and otoacoustic emissions in Andean children.

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All Publications

2012: S Allen Counter; Leo H Buchanan; Fernando Ortega
Association of hemoglobin levels and brainstem auditory evoked responses in lead-exposed children.
Clinical biochemistry 2012;45(15):1197-201.
2011: S Allen Counter; Fernando Ortega; Jeannette van der Velde; Leo H Buchanan; Erik Borg
Assessment of auditory brainstem function in lead-exposed children using stapedius muscle reflexes.
Journal of the neurological sciences 2011;306(1-2):29-37.
2011: Leo H Buchanan; S Allen Counter; Fernando Ortega
Environmental lead exposure and otoacoustic emissions in Andean children.
Journal of toxicology and environmental health. Part A 2011;74(19):1280-93.
2009: S Allen Counter; Leo H Buchanan; Fernando Ortega
Neurophysiologic and neurocognitive case profiles of Andean patients with chronic environmental lead poisoning.
Journal of toxicology and environmental health. Part A 2009;72(19):1150-9.
2009: S Allen Counter; Leo H Buchanan; Fernando Ortega
Neurocognitive screening of lead-exposed andean adolescents and young adults.
Journal of toxicology and environmental health. Part A 2009;72(10):625-32.
2008: S Allen Counter; Leo H Buchanan; Fernando Ortega
Zinc protoporphyrin levels, blood lead levels and neurocognitive deficits in Andean children with chronic lead exposure.
Clinical biochemistry 2008;41(1-2):41-7.
2007: S Allen Counter; Leo H Buchanan; Fernando Ortega; Nader Rifai; Michael W Shannon
Comparative analysis of zinc protoporphyrin and blood lead levels in lead-exposed Andean children.
Clinical biochemistry 2007;40(11):787-92.
2007: S Allen Counter; Leo H Buchanan; Fernando Ortega
Lead concentrations in maternal blood and breast milk and pediatric blood of Andean villagers: 2006 follow-up investigation.
Journal of occupational and environmental medicine / American College of Occupational and Environmental Medicine 2007;49(3):302-9.
2006: S Allen Counter; Leo H Buchanan; Fernando Ortega
Neurocognitive screening of mercury-exposed children of Andean gold miners.
International journal of occupational and environmental health 2006;12(3):209-14.
2005: S Allen Counter; Leo H Buchanan; Fernando Ortega
Mercury levels in urine and hair of children in an Andean gold-mining settlement.
International journal of occupational and environmental health 2005;11(2):132-7.
2005: S Allen Counter; Leo H Buchanan; Fernando Ortega
Neurocognitive impairment in lead-exposed children of Andean lead-glazing workers.
Journal of occupational and environmental medicine / American College of Occupational and Environmental Medicine 2005;47(3):306-12.
2004: S Allen Counter; Leo H Buchanan; Fernando Ortega
Current pediatric and maternal lead levels in blood and breast milk in Andean inhabitants of a lead-glazing enclave.
Journal of occupational and environmental medicine / American College of Occupational and Environmental Medicine 2004;46(9):967-73.
2004: S Allen Counter; Leo H Buchanan
Mercury exposure in children: a review.
Toxicology and applied pharmacology 2004;198(2):209-30.
2003: S Allen Counter; Fernando Ortega; Michael W Shannon; Leo H Buchanan
Succimer (meso-2,3-dimercaptosuccinic acid (DMSA)) treatment of Andean children with environmental lead exposure.
International journal of occupational and environmental health 2003;9(2):164-8.
2002: S Allen Counter; Leo H Buchanan; Fernando Ortega; Göran Laurell
Elevated blood mercury and neuro-otological observations in children of the Ecuadorian gold mines.
Journal of toxicology and environmental health. Part A 2002;65(2):149-63.
2002: S Allen Counter; Leo H Buchanan
Neuro-ototoxicity in andean adults with chronic lead and noise exposure.
Journal of occupational and environmental medicine / American College of Occupational and Environmental Medicine 2002;44(1):30-8.
2001: S Allen Counter; Leo H Buchanan; Fernando Ortega
Gender differences in blood lead and hemoglobin levels in Andean adults with chronic lead exposure.
International journal of occupational and environmental health 2001;7(2):113-8.
2000: S Allen Counter; Leo H Buchanan; Fernando Ortega; C Amarasiriwardena; Howard Hu
Environmental lead contamination and pediatric lead intoxication in an Andean Ecuadorian village.
International journal of occupational and environmental health 2000;6(3):169-76.
2000: S Allen Counter; Leo H Buchanan; Fernando Ortega; N Rifai
Blood lead and hemoglobin levels in Andean children with chronic lead intoxication.
Neurotoxicology 2000;21(3):301-8.
1999: Leo H Buchanan; S Allen Counter; Fernando Ortega; Göran Laurell
Distortion product oto-acoustic emissions in Andean children and adults with chronic lead intoxication.
Acta oto-laryngologica 1999;119(6):652-8.
1999: Ingvar A Bergdahl; Marie Vahter; S Allen Counter; Andrejs Schütz; Leo H Buchanan; Fernando Ortega; Göran Laurell; Staffan Skerfving
Lead in plasma and whole blood from lead-exposed children.
Environmental research 1999;80(1):25-33.
1998: S Allen Counter; Leo H Buchanan; Göran Laurell; Fernando Ortega
Field screening of blood lead levels in remote Andean villages.
Neurotoxicology 1998;19(6):871-7.
1998: S Allen Counter; Leo H Buchanan; H D Rosas; Fernando Ortega
Neurocognitive effects of chronic lead intoxication in Andean children.
Journal of the neurological sciences 1998;160(1):47-53.
1998: S Allen Counter; Leo H Buchanan; Göran Laurell; Fernando Ortega
Blood mercury and auditory neuro-sensory responses in children and adults in the Nambija gold mining area of Ecuador.
Neurotoxicology 1998;19(2):185-96.
1997: S Allen Counter; Leo H Buchanan; Fernando Ortega; Göran Laurell
Normal auditory brainstem and cochlear function in extreme pediatric plumbism.
Journal of the neurological sciences 1997;152(1):85-92.
1997: S Allen Counter; Marie Vahter; Göran Laurell; Leo H Buchanan; Fernando Ortega; Staffan Skerfving
High lead exposure and auditory sensory-neural function in Andean children.
Environmental health perspectives 1997;105(5):522-6.
1997: Marie Vahter; S Allen Counter; Göran Laurell; Leo H Buchanan; Fernando Ortega; Andrejs Schütz; Staffan Skerfving
Extensive lead exposure in children living in an area with production of lead-glazed tiles in the Ecuadorian Andes.
International archives of occupational and environmental health 1997;70(4):282-6.