Primer of epidemiology /
Friedman, Gary D.,
Primer of epidemiology / - 2d ed. - New York : McGraw-Hill, 1980. - xii, 288 p. ill.
007022434
Epidemiology.
MED RA651 / F68
Primer of epidemiology / - 2d ed. - New York : McGraw-Hill, 1980. - xii, 288 p. ill.
007022434
Epidemiology.
MED RA651 / F68