TY  - BOOK
AU  - Ralston, Stuart H. & Penman, Lan D.
TI  - Davidson's Principles and Practice of Medicine, Ed. 23rd
SN  - 9780702070273
U1  - 616 DAV 
PY  - 2018///
CY  - China
PB  - Elsevier
KW  - Medical Books
KW  - Medicine
ER  -