TY  - BOOK
AU  - Frenk J.[et al]
AU  - Alvarez Manilla, José Manuel
AU  - González-Block, Miguel A.
TI  - First contact, simplified technology, or risk anticipation? Defining primary health care
U1  - A0058 
N1  - En: Acad Med -- 1990 Nov;65(11):676-81
ER  -