Boyd EJ, Penston JG, Russell RI, Wormsley KG.

Hiatal hernial ulcers: clinical features and follow-up.

Postgraduate Medical Journal 1991 Oct;67(792):900-3. 

Penston JG, Boyd EJ, Wormsley KG.

Mallory-Weiss tears occurring during endoscopy: a report of seven cases.

Endoscopy. 1992 May;24(4):262-5. 

Khiyar Y, Penston JG. 

Asymptomatic chronic pancreatitis.

Gastroenterology Today 2006;16;105-6.

Khiyar Y,  Armstrong R, Penston JG.

Hyperemesis gravidarum: two unusual complications occurring

in the same patient.

GastroHep.com/classcases/classcases.asp?id=30. Accessed 18/07/07.

Khiyar Y, Penston J.

Solitary mass in the liver.

Gastrosource 29th may 2007

Khiyar Y, Penston J.

A polyp in the duodenal bulb.

Gastrosource 1st June 2007.

Iliopoulou A, Penston J.

Oesophageal intramural pseudodiverticulosis.

The Internet Journal of Gastroenterology 2008, Vol 7, No.1

http://www.ispub.com/journal/the_internet_journal_of_gastroenterology/

volume_7_number_1_4/article/oesophageal_intramural_pseudo_

diverticulosis.html

Penston J, Penston V.

Gastric lipoma: a rare cause of iron-deficiency anaemia

BMJ Case Reports 2009; doi:10.1136/bcr.09.2008.0954

Rajkomar V, Kyerematen E, Mysore P, Penston J.

Thrombosis of the portal venous system following blunt abdominal trauma.

BMJ Case Reports 2010; doi:10.1136/bcr.11.2009.2429

Penston J, Southern P, Penston V, Daws J.

ERCP in a district general hospital in England: a review of 1550 procedures over nine years.

The Internet Journal of Gastroenterology 2009; volume 28; number 1.

Heggade SMH, Penston J.

A rare complication of carbimazole therapy.

Gastrohep.com 2010

Sami SS, Penston J, Tan HL, Barlow I.

Unusually high ferritin in a patient with obstructive jaundice.

Annals of Clinical Biochemistry 2010 (In press)