Goto, Yasufumi, Hisashi Uhara, Hiroshi Murata, Hiroshi Koga, Tomoki Kosho, Masahide Yamazaki, Minoru Takata, and Ryuhei Okuyama. 2010. “Leg Ulcers Associated With Positive Lupus Anticoagulant in Two Cases of Klinefelter’ Syndrome”. Acta Dermato-Venereologica 91 (1):90-91. https://doi.org/10.2340/00015555-0957.