TY  - GEN
AU  - Elder G M, Hendricks H.
TI  - Obstetrics and gynecology
T2  - (Butterworths international medical reviews)
PY  - 1981///
CY  - London : 
PB  - Butterworths
KW  - Gynecology
KW  - Obstetrics
KW  - Labor, Premature
ER  -