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Head and Neck Neoplasms
Prostatic Neoplasms
Squamous Cell Carcinoma
Neoplasms, Second Primary
Local Neoplasm Recurrences
Quebec
Cohort Studies
Risk Factors
Proportional Hazards Models
Odds Ratio
Prospective Studies
Neoplasm Staging
alpha-Tocopherol
Antioxidants
beta Carotene
Vitamins
Prostate Specific Antigen
Questionnaires
Double-Blind Method
Case Control Studies
Co-Publications
26
17
11
10
9
8
6
4
3
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