author = { Lyall, Michael H AND Bateson, Malcolm C },

title = { Multiple-choice questions in gastroenterology },

publisher = {Oxford University Press (OUP)},

isbn = {0032-5473},

isbn = {1469-0756},

keywords = { General Medicine },

year = {1999},

url = { http://slubdd.de/katalog?TN_libero_mab2 }