Primer of epidemiology /
Friedman, Gary D.
Primer of epidemiology / by Gary D. Friedman - 3rd ed. - New York : McGraw-Hill, 1987 - 305 p. : ill. ; 21 cm.
0070224366
Epidemiology
Primer of epidemiology / by Gary D. Friedman - 3rd ed. - New York : McGraw-Hill, 1987 - 305 p. : ill. ; 21 cm.
0070224366
Epidemiology
