Todd, C H Hearing in primary school children in an iodine-deficient population in Chinamhora, Zimbabwe. [electronic resource] - Tropical and geographical medicine Jul 1988 - 223-5 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0041-3232 Subjects--Topical Terms: AdolescentChildCongenital Hypothyroidism--etiologyCreatinine--urineGoiter, Endemic--epidemiologyHearing Disorders--epidemiologyHumansIodine--deficiencyRandom AllocationZimbabwe