Photodynamic therapy using topical methyl 5-aminolevulinate compared with cryotherapy for actinic keratosis: A prospective, randomized study.
Szeimies RM, Karrer S, Radakovic-Fijan S, Tanew A, Calzavara-Pinton PG, Zane C, Sidoroff A, Hempel M, Ulrich J, Proebstle T, Meffert H, Mulder M, Salomon D, Dittmar HC, Bauer JW, Kernland K, Braathen L.
Szeimies RM, et al. Among authors: ulrich j.
J Am Acad Dermatol. 2002 Aug;47(2):258-62.
J Am Acad Dermatol. 2002.
PMID: 12140473
Clinical Trial.