Hossain, M. and Al-Amin, M. 2009. Efficacy of Topical Tretinoin, Benzoyl Peroxide and Oral Tetracycline Combination in Acne Vulgaris. TAJ: Journal of Teachers Association. 19, 1 (Aug. 2009), 10–12. DOI:https://doi.org/10.3329/taj.v19i1.3161.