TY  - BOOK
AU  - Chow, Shein-Chung
AU  -  Shao, Jun  & Wang,Hansheng
TI  - Sample size calculations in clinical research
U1  - 615.50724  CHO 3
PY  - 2018///
CY  - Boca Raton
PB  - CRC Press
KW  - 	 Clinical medicine -- Research -- Statistical methods. Drug development -- Statistical methods. Sampling (Statistics)
ER  -