@article {van:October 1995:0926-9959:147, author = "van Harten J.", author = "Boon C.", title = "Plasma concentrations of calcitriol in psoriasis patients treated with calcitriol ointment", journal = "Journal of the European Academy of Dermatology and Venereology", volume = "5", year = "October 1995", abstract = "", pages = "147-148(2)", url = "http://www.ingentaconnect.com/content/els/09269959/1995/00000005/90000001/art96368" doi = "doi:10.1016/0926-9959(95)96368-I" }