Maebayashi T, Abe K, Aizawa T, Sakaguchi M, Ishibashi N, Abe O, Takayama T, Nakayama H, Matsuoka S, Nirei K, Nakamura H, Ogawa M, Sugitani M. Improving recognition of hepatic perivascular epithelioid cell tumor: Case report and literature review. World J Gastroenterol 2015; 21(17): 5432-5441 [PMID: 25954119 DOI: 10.3748/wjg.v21.i17.5432]