Parikh, N.R., Sood, S.V., Rana, D., Chaudhary, R. and Malhotra, S.D. 2019. Evaluation of adapalene alone versus combination therapy of adapalene with benzoyl peroxide and adapalene with clindamycin in treatment of acne vulgaris: a prospective, observational study. International Journal of Research in Dermatology. 5, 4 (Oct. 2019), 831–838. DOI:https://doi.org/10.18203/issn.2455-4529.IntJResDermatol20194677.