@article {Hatanaka:31 October 1995:0378-5173:195, author = "Hatanaka T.", author = "Morigaki S.", author = "Aiba T.", author = "Katayama K.", author = "Koizumi T.", title = "Effect of pH on the skin permeability of a zwitterionic drug, cephalexin", journal = "International Journal of Pharmaceutics", volume = "125", year = "31 October 1995", abstract = "", pages = "195-203(9)", url = "http://www.ingentaconnect.com/content/els/03785173/1995/00000125/00000002/art00113" doi = "doi:10.1016/0378-5173(95)00113-W" }