TY - BOOK ED - World Health Organization. TI - Readings on diarrhoea: student manual SN - 9241544449 AV - RJ456.D5 R43 1992 U1 - 618.92/3427 20 PY - 1992/// CY - Geneva PB - World Health Organization KW - Diarrhea, Infantile KW - Handbooks, manuals, etc KW - programmed instruction ER -