TY  - JOUR
T1  - Licking smoking and COPD. IN Med files [column]
JF  - Cruising
A1  - Castillo, Rafael R.
LA  - English
YR  - 2003
UL  - https://tuklas.up.edu.ph/Record/IPP-00000664284
KW  - Chronic obstructive pulmonary disease
ER  -