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	1.	[Socioepidemiological factors of drug use among students of secondary schools of Puerto Rico]. [electronic resource] by Robles, R Martínez, R Colón, A I Moscoso, M Producer: 19770812 In: Boletin de la Asociacion Medica de Puerto Rico vol. 69 Availability: No items available. Save to lists Add to cart (remove)
	2.	[Sociocultural variables related to the use of alcohol among adolescents at secondary schools in Puerto Rico]. [electronic resource] by Robles, R R Martínez, R Colón, A I Moscoso, M Producer: 19790226 In: Boletin de la Oficina Sanitaria Panamericana. Pan American Sanitary Bureau vol. 85 Availability: No items available. Save to lists Add to cart (remove)

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