25142Manger sainement pour vivre longtemps / Barbara Millen Posner et Muda HuradJournal articles · January 1, 1991
25144Why do more infants die in Pakistan's squatter settlements? [letter]Journal articles · January 1, 1991
25145A comparison of the direct and indirect methods of human exposure / D. MageJournal articles · January 1, 1991
25149Prevalence and incidence of HIV infection in Africa : a review of data published in 1990 / B. M. NkowaneJournal articles · January 1, 1991
25154Science, public health and genetic services : Menary Lecture / M. WagnerJournal articles · January 1, 1991
25157El Mercado de trabajo en salud : aspectos te'oricos, conceptuales y metodol'ogicos / André Cézar Medici ... [et al.]Journal articles · January 1, 1991
25160The potential of the case-control method for rapid epidemiological assessment / Jane C. BaltazarJournal articles · January 1, 1991