drug therapy Chemotherapy 2 Diagnosis 2 Helminthiasis 2 diagnosis 2 prevention & control 2 therapeutic use 2 Anthelmintics 1 Antimalarials 1 Antitubercular Agents 1 Antitubercular agents 1 Child 1 Community Health Services 1 Developing Countries 1 International Cooperation 1 Malaria 1 Night Blindness 1 Public health 1 Schistosomiasis 1 Tuberculosis 1 Tuberculosis, Multidrug-Resistant 1 Tuberculosis, Pulmonary 1 Vitamin A 1 Vitamin A Deficiency 1 Vitamin A deficiency 1 administration & dosage 1 history 1 organization & administration 1 pharmacology 1 standards 1