BARR, M Diphtheria antitoxin levels in the serum of Gambian Africans. [electronic resource] - Transactions of the Royal Society of Tropical Medicine and Hygiene Sep 1962 - 368-70 p. digital Publication Type: Journal Article ISSN: 0035-9203 Standard No.: 10.1016/0035-9203(62)90006-8 doi Subjects--Topical Terms: Diphtheria AntitoxinHumans