Manual of epidemiology for district health management edited by J. P. Vaughan and R. H. Morrow
"Vaughan , J. P. (ed.)"
Manual of epidemiology for district health management edited by J. P. Vaughan and R. H. Morrow - Geneva Work Health Organization 1989 - 198: ill.
924154404X
Medical care.
614.40202 MAN
Manual of epidemiology for district health management edited by J. P. Vaughan and R. H. Morrow - Geneva Work Health Organization 1989 - 198: ill.
924154404X
Medical care.
614.40202 MAN