TY  - BOOK
AU  - Duff, W. Patrick.
AU  - Ling, Frank W.
TI  - Pocket guidelines for obstetrics and gynecology: principles for practice 
SN  - 9780838581346;083858134X
PY  - 2002///
CY  - New York
PB  - McGraw-Hill, Health Professions Division
KW  - Gynecology
KW  - Obstetrics
N1  - Includes bibliographical references and index
ER  -