TY  - BOOK
AU  - 
AU  - Chow, Shein-Chung. Ed.
TI  - Sample size calculations in clinical research
SN  - 1584889829
U1  - 615.5072 
PY  - 0000///
CY  - Boca Raton
PB  - Chapman & Hall
KW  - Clinical medicine
ER  -