TY  - SER
AU  - Velten-Schuberth, Edith.
TI  - Preventive health care in countries of the third world -- Health education -- a main task in a changing world
T2  - Review of ethnology ; 
PY  - 1973///
CY  - Par¡s-FR : 
PB  - International Union of Anthropological and Ethnological Sciences : 
N1  - Publicada por E. Styglmayr
ER  -