Barker, D. J. P.
Epidemiology in medical practice - 5th ed. - Edinburgh Churchill Livingstone 1998 - viii,170 p. 21 cm.
044305620X
EPIDEMIOLOGY
614.4 / BAR
Epidemiology in medical practice - 5th ed. - Edinburgh Churchill Livingstone 1998 - viii,170 p. 21 cm.
044305620X
EPIDEMIOLOGY
614.4 / BAR