TY  - BOOK
AU  - Walker, B. R. , et al.
TI  - Davidson's Principles and Practice of Medicine
SN  - 9780702050350
U1  - 616 20th
PY  - 2014///
CY  - New York
PB  - Churchill Livingstone Elsevier 
KW  - Medicine
KW  - Diseases
ER  -