TY  - BOOK
AU  - Tyring, Steven.
TI  - Human papillomaviruses: clinical and scientific advances 
SN  - 0340742151
PY  - 2001///
CY  - London; New York
PB  - Arnold
KW  - Papillomavirus, Human
KW  - Papovaviridae Infections
N1  - Includes bibliographical references and index
ER  -