TY  - BOOK
AU  - Schulz, K.
AU  - Grimes, D. A.
TI  - Essential Concepts in Clinical Research: randomised controlled trials and observational epidemiology
SN  - 9780702073946
U1  - 610.72 23rd
PY  - 2019///
CY  - London
PB  - Elsevier
KW  - Medical Practice
KW  - Medical Research
KW  - Medical Statistics
KW  - Public Health
KW  - statistical methods
ER  -