TY  - BOOK
AU  - Armitage, P.; Berry, G.
TI  - Statistical Method in Medical Research 
SN  - 9780632052578
U1  - WA950 A55s 1994 
PY  - 1994///
CY  - London
PB  - Blackwell scientific publications
KW  - Medical statistics
KW  - Medical reseach
KW  - Research methods
N1  - Includes bibliographical references and index
ER  -