BARKER, D.J.P.
Practical epidemiology - London ELBS/Churchill Livingstone 1976. - v, 180 p.
Includes index.
Epidemiology
614.4 / BAR
Practical epidemiology - London ELBS/Churchill Livingstone 1976. - v, 180 p.
Includes index.
Epidemiology
614.4 / BAR