Onah, Johnson Ogoda Physico-chemical studies on the charge-transfer complex formed between sulfadoxine and pyrimethamine with chloranilic acid. [electronic resource] - Journal of pharmaceutical and biomedical analysis Jul 2002 - 639-47 p. digital Publication Type: Journal Article ISSN: 0731-7085 Standard No.: 10.1016/s0731-7085(02)00102-4 doi Subjects--Topical Terms: Benzoquinones--chemistryPyrimethamine--chemistrySolutionsSpectrophotometry, UltravioletSulfadoxine--chemistryThermodynamics