H. . Gul, J. Khan, M. M. Paracha, and S. M. Noor, “Efficacy of combination therapy with topical fixed dose adapalene 0.1% and benzoyl peroxide 2.5% plus doxycycline 200 mg oral versus oral isotretinoin for the treatment of moderate to severe acne vulgaris”, J Pak Assoc Dermatol, vol. 34, no. 4, pp. 973–977, Oct. 2024.