TY  - BOOK
AU  - MacMahon,Brian
AU  - Clark,Duncan W.
TI  - Preventive and community medicine
SN  - 0-316-14596-3
PY  - 1981///
CY  - Boston
PB  - Little,Brown & Company
KW  - Medicina preventiva
KW  - Salud pública
ER  -