TY - BOOK AU - Mayet,Werner-J. TI - Geriatrische Gastroenterologie AV - RC802.4.A34 .G475 2017 U1 - 618.97633 23 PY - 2017/// CY - Berlin, [Germany], Boston, [Massachusetts] PB - De Gruyter KW - Geriatric gastroenterology KW - Electronic books UR - https://ebookcentral.proquest.com/lib/bacm-ebooks/detail.action?docID=4822107 ER -