TY  - BOOK
AU  - Sperling, Mark A.
TI  - Pediatric endocrinology 
SN  - 978 1 455 74858 7
U1  - 618 924 SPE 
PY  - 0000/// Elsevier/Saunders
CY  - Philadelphia
PB  -  PA 
KW  - MEDICAL GYNECOLOGY OBSTETRICS
ER  -