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Hypertension, Pulmonary
Dyspnea
Congenital Hemolytic Anemia
Sarcoidosis, Pulmonary
Acidosis, Lactic
Takayasu's Arteritis
Retrospective Studies
Prospective Studies
Risk Factors
Treatment Outcome
Prescriptions
Aminorex
Prostaglandins I
Calcium Channel Blockers
Splenectomy
Radiography, Thoracic
Artificial Respiration
Heart-Lung Transplantation
Delphi Technique
Unnecessary Procedures
Co-Publications
6
5
4
3
2
1
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