TY - RPRT TI - The retinoic acid derivative Ro 11-1430 in Acne vulgaris. A controlled multicenter trial against retinoic acid. AU - J Christiansen AU - P Holm AU - F Reymann PY - 1977 DO - 10.1159/000251069 UR - https://pubmed.ncbi.nlm.nih.gov/140824/ ID - 140824 ER -