TY  - GEN
AU  - Prada,C
AU  - del Río,M C
AU  - Alvarez,F J
TI  - [Contraceptive use and smoking among Spanish women]
SN  - 0212-6567
PY  - 1997///0410
KW  - Adolescent
KW  - Adult
KW  - Confidence Intervals
KW  - Contraceptives, Oral
KW  - Cross-Sectional Studies
KW  - Female
KW  - Humans
KW  - Smoking
KW  - epidemiology
KW  - Spain
N1  - Publication Type: English Abstract; Journal Article
ER  -