TY  - ADVS
TI  - Digestive system
T2  - Human body series
PY  - 1988///
PB  - National Geographic Society Educational Services
UR  - https://alvt.videotrust.org/cgi-bin/koha/opac-retrieve-file.pl?id=5570831f3dff5759a457db1a20f56f09
ER  -