@article {Derumeaux:September 1997:0926-9959:125, author = "Derumeaux L.", author = "De Boulle K.", author = "Roders G.A.", author = "van Es-Gulinck M.K.", title = "Clindamycin 1%/tretinoin 0.025% gel versus clindamycin 1% lotion in acne vulgaris", journal = "Journal of the European Academy of Dermatology and Venereology", volume = "9", year = "September 1997", abstract = "", pages = "125-125(1)", url = "http://www.ingentaconnect.com/content/els/09269959/1997/00000009/90000001/art89366" doi = "doi:10.1016/S0926-9959(97)89366-X" }