Imperialist times and its implications for public health

by John H. Estrada M
Published 2008-06-01

Respondent-driven sampling (rds) as a new method to access vulnerable populations to hiv: its application in men who have sex with men

by John H. Estrada M, Leonardo Vargas R
Published 2010-11-01

Teoría crítica en salud

by John H. Estrada M., Marleny Valencia A., Diana P. Betancurth L.
Published 2015-09-01