Xanthogranulomatous cholecystitis: a report of sixteen cases - ÇAĞLIKÜLEKÇİ, Mehmet and ATALAY, Fuat and BAYRAMOĞLU, Elmir and GÜNDOĞDU, Haldun and AYDOĞ, Gülden (Turkish Journal of Gastroenterology, 1997)