TY  - BOOK
AU  - Charles R.B. Beckmann 
TI  - Obstetrics and gynecology
SN  - 9780781758062
PY  - 2006///
CY  - Philadephial
PB  - Lippincolt Williams & Wilkins
KW  - Genital Disease, Female
KW  - Labor, Obsteric
ER  -