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Phase 3 × Carcinoma, Basal Cell × Tretinoin × Clear all

NCT00007631 2009-01-30

Determine the Efficacy of Topical Tretinoin Cream for the Prevention of Nonmelanoma Skin Cancer

Phase 3 Completed

Carcinoma, Basal Cell, Carcinoma, Squamous Cell, Skin Neoplasms