Primer of epidemiology /
Friedman, Gary D.
Primer of epidemiology / by Gary D. Friedman - New York : McGraw-Hill, 1980 - 288 p. : ill. ; 21 cm.
007022434X
Epidemiology
Primer of epidemiology / by Gary D. Friedman - New York : McGraw-Hill, 1980 - 288 p. : ill. ; 21 cm.
007022434X
Epidemiology
