Comment on

• A double-blind, vehicle-controlled study evaluating masoprocol cream in the treatment of actinic keratoses on the head and neck.

  Olsen EA, Abernethy ML, Kulp-Shorten C, Callen JP, Glazer SD, Huntley A, McCray M, Monroe AB, Tschen E, Wolf JE Jr. Olsen EA, et al. J Am Acad Dermatol. 1991 May;24(5 Pt 1):738-43. doi: 10.1016/0190-9622(91)70113-g. J Am Acad Dermatol. 1991. PMID: 1869646 Clinical Trial.