TY  - BOOK
AU  - Petersen, Olaf
TI  - Precancerous Changes of the Cervical Epithelium: in relation to manifest cervical carcinoma
U1  - 618 
PY  - 1955///
CY  - Copenhagen
PB  - Danish Science Press
KW  - Biopsy
KW  - Gynecology
KW  - Pregnancy
N1  - Includes bibliographical references and index
ER  -