Is combined oral and topical therapy better than oral therapy alone in patients with moderate to moderately severe acne vulgaris? A comparison of the efficacy and safety of lymecycline plus adapalene gel 0.1%, versus lymecycline plus gel vehicleW.J. Cunliffe, Pascale Soto, Farzaneh Sidou et al.|Journal of the American Academy of Dermatology|2003Cited by 79