Authors: Amin, AS El-Beshbeshy, AM

Citation: As. Amin et Am. El-beshbeshy, Utility of certain sigma and pi-acceptors for the spectrophotometric determination of sildenafil citrate (Viagra), MIKROCH ACT, 137(1-2), 2001, pp. 63-69

Authors: Amin, AS Zaky, M Khater, HM El-Beshbeshy, AM

Citation: As. Amin et al., New colorimetric methods for microdetermination of melatonin in pure and in dosage forms, ANAL LETTER, 32(7), 1999, pp. 1421-1434