TY  - GEN
TI  - [A multicenter study on drug use during pregnancy in Spain (I). Methods and the demographic characteristics of the population studied. The Working Group of the DUP (Drug Use in Pregnancy) of Spain]
SN  - 0025-7753
PY  - 1991///1226
KW  - Abnormalities, Drug-Induced
KW  - epidemiology
KW  - Age Factors
KW  - Birth Weight
KW  - Delivery, Obstetric
KW  - statistics & numerical data
KW  - Drug Prescriptions
KW  - Educational Status
KW  - Female
KW  - Humans
KW  - Infant, Newborn
KW  - Interviews as Topic
KW  - Pregnancy
KW  - drug effects
KW  - Spain
N1  - Publication Type: Clinical Trial; English Abstract; Journal Article; Multicenter Study
ER  -