TY  - GEN
AU  - Gonzalez,C.L.
TI  - Mass campaigns and general health services
T2  - Public health papers ; no. 29
SN  - 92-4-130029-9
PY  - 1965///
CY  - Geneva : 
PB  - World Health Organization
KW  - Mas screening
KW  - Preventive health services
ER  -