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20 in total

1. What is a normal upper gastrointestinal tract?

Authors: A P Walker; B F Walker; I Segal
Journal: BMJ Date: 1991-05-25

Authors: E Kassira; L Parent; G Vahouny
Journal: Am J Dig Dis Date: 1976-03

Authors: Carolyn M Rutter; Onchee Yu; Diana L Miglioretti
Journal: Stat Med Date: 2007-01-15 Impact factor: 2.373

Authors: D P Burkitt
Journal: Br Med J Date: 1973-02-03

Authors: J H Cummings
Journal: Gut Date: 1973-01 Impact factor: 23.059

Authors: D V Vakil; R W Morgan
Journal: Can Med Assoc J Date: 1973-08-04 Impact factor: 8.262

Authors: H Trowell; N Painter; D Burkitt
Journal: Am J Dig Dis Date: 1974-09

Authors: N S Painter; D P Burkitt
Journal: Br Med J Date: 1971-05-22

Authors: I Segal; S A Cooke; D G Hamilton; L Ou Tim
Journal: Gut Date: 1981-08 Impact factor: 23.059

Authors: N Tanida; Y Hikasa; T Shimoyama; K D Setchell
Journal: Gut Date: 1984-08 Impact factor: 23.059