TY  - BOOK
AU  -  Fletcher, Robert H.
AU  -  Fletcher, Suzanne W.
AU  -  Wagner, Edward H.
TI  -  Clinical epidemiology: the essentials 
SN  -  9781975140984
PY  - 2021///
CY  -  Philadelphia
PB  -  Wolters Kluwer
KW  -  Epidemiology
N1  -  Includes bibliographical references and index
ER  -