TY  - BOOK
T1  - Background papers.
LA  - English
PP  - Geneva
PB  - World Health Organization
YR  - 1999
UL  - https://tuklas.up.edu.ph/Record/UP-1685523046125386959
OP  - 253
CN  - RA1242.T6 I58 1999
KW  - Tobacco smoke pollution : Adverse effects : Congresses.
KW  - Smoking : Congresses.
KW  - Children : Health and hygiene.
ER  -