TY  - BOOK
AU  - KRAMER, MICHAEL S.
TI  - CLINICAL EPIDEMIOLOGY AND BIOSTATISTICS
SN  - 3540188746
U1  - 614.4 
PY  - 1988///
CY  - U.S.A.
PB  - SPRINGER-VERLAG
KW  - COMMUNITY MEDICINE
ER  -