Programme for control of diarrhoeal diseases :
Programme for control of diarrhoeal diseases : eight programme report 1990-1991.
- [y.y.] : World Health Organization, 1992.
- II, 108 s. : şkl. ; 30 cm.
İshal--Raporlar
616.3427 / P943 1992
İshal--Raporlar
616.3427 / P943 1992