TY  - BOOK
AU  - Beck, Eric R.
TI  - Tutorials in differnetial diagnosis: by E.R. Beck, J.L. Froncis andR.L. Souhami
SN  - 0-27200089-2.
U1  - 616, 
PY  - 1974///
CY  - London
PB  - Pitman Medical
KW  - Diagnoses Symptoms Internal medicine
ER  -