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Publications by R Costas
Milk Consumption, Calcium Intake, and Decreased Hypertension in Puerto Rico. Puerto Rico Heart Health Program Study
Hypertension
Internal Medicine
Coronary Heart Disease Risk Factors in Men With Light and Dark Skin in Puerto Rico.
American Journal of Public Health
Environmental
Public Health
Occupational Health
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Puerto Rico
Puerto Rico: A Profile
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Sinteni's Puerto-Rico Plants
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Literature
Literary Theory
Breastfeeding Patterns in Puerto Rico.
American Journal of Public Health
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La Escritura Y Puerto Rico
Connotas. Revista de crítica y teoría literarias
Historia Militar De Puerto Rico
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The Girl From Puerto Rico
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Family and Fertility in Puerto Rico
American Sociological Review
Sociology
Political Science
