TY  - BOOK
AU  - Gehan, Edmund A.
AU  - Lemak, Noreen A.
TI  - Statistics in medical research: developments in clinical trials 
SN  - 0306448637
AV  - R853.S7 G44 1994
U1  - 610.72 20
PY  - 1994///
CY  - New York
PB  - Plenum Medical Book Co.
KW  - Medicine
KW  - Statistical methods
KW  - History
KW  - Clinical trials
N1  - Includes bibliographical references (p. 189-206) and indexes
ER  -