TY  - JOUR 
T1  - Association of risk factors with smoking during pregnancy among women of childbearing age: an epidemiological field study in Turkey
JO  - Sao Paulo Medical Journal
A1  - Nur, Naim
SN  - 1516-3180
UL  - 10.1590/1516-3180.2016.021921102016
VL  - 135 
Y1  - 2017
PB  - Brasil 
ER  -