AU - Morton C, Horn M, Leman J, et al TI - Comparison of topical methyl aminolevulinate photodynamic therapy with cryotherapy or fluorouracil for treatment of squamous cell carcinoma in situ: Results of a multicenter randomized trial PT - JOUR DP - 2006 TA - Archives of Dermatology pages = {729-735}, VI - 142 IP - 6 AID - 10.1001/archderm.142.6.729 [doi] 4100 - http://dx.doi.org/10.1001/archderm.142.6.729 SO - Archives of Dermatology June 1, 2006 142(6):729