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Geoffrey S Hebbard

As seen in: Wiley Online Library, Frontline Gastroenterology
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Articles

D. James B. St. John, AO, gastroenterologist, mentor and visionary

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By Graeme Young Verified, Finlay A. Macrae, Geoffrey S Hebbard, Alex Boussioutas
| Wiley Online Library Verified
Professor D. James B. St. John, AO (‘Jim’) passed away peacefully on August 25, 2025, at age 89, leaving a profound legacy in gastroenterology and colorectal cancer prevention.
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Underutilisation of gastric emptying studies and underrecognition of gastroparesis in people with diabetes treated in a hospital setting

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By Joanna Y. Gong, Emma Leeds Armstrong, Geoffrey S Hebbard, Dinesh Sivaratnam
| Wiley Online Library Verified
Gastroparesis is associated with increased mortality, worse quality of life and a large health economic burden.1, 2 Diabetes is the most common systemic disease causing gastroparesis.3 Gastroparesis can also be post-surgical or idiopathic.
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A comparative analysis of two unrelated outbreaks in Latvia and Australia of acquired idiopathic megaesophagus in dogs fed two brands of commercial dry dog foods: 398 cases (2014-2018) | Journal of the American Veterinary Medical Association | Vol 259 , N

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By Caroline Mansfield, Lauren Lacorcia, Karin Allenspach, Geoffrey S Hebbard
| American Veterinary Medical Association [AVMA]
Full Text July 15, 2021, Vol. 259, No. 2, Pages 172-183 Karyl J.HurleyDVM1; CarolineMansfieldBSc, BVMS, PhD2; Ilze MatīseVanHoutanDVM, PhD3; LaurenLacorciaBVSc, MVSc2; KarinAllenspachDr Med Vet, PhD4; GeoffreyHebbardB Med Sci, MBBs, PhD5; Stanley L.MarksBVSc, PhD6; RobertPoppengaDVM, PhD7; James H.KaufmanPhD10; Bart C.WeimerPhD8; Kevin D.WoolardDVM, PhD9; JoeBielitzkiDVM, MS11; DerekLulhamBSc12 and JeromeNaarPhD13 1Scientific and Regulatory Affairs, Mars Inc, McLean, VA 22101.
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