TY  - SER
ED  -  Pan American Health Organisation (PAHO)
ED  -  World Health Organization.
TI  -  Annual report of the director / 
SN  -  0085-462
PY  - 1958///-
CY  -  Washington, DC : 
PB  -  World Health Organization, 
KW  -  Public Health
KW  -  Periodicals
N1  -  Latest issue consulted: No. 50 (1962)
ER  -