TY  - BOOK
AU  -  World Health Organization 
TI  - Work of WHO 1990-1991: biennial report of the director-general. 
SN  - 92 4 156149 1
U1  - WA100 
PY  - 1992///
CY  - Geneva
PB  - W H O
KW  - W H O
N2  -  W H O
ER  -