Letter: gastric cancer and pernicious anaemia – only a minority of UK pernicious anaemia patients have had a gastroscopy – authors’ reply

A comparison of the gut microbiome between long-term users and non-users of proton pump inhibitors. [Aliment Pharmacol Ther. 2016] Letter: gastric cancer and pernicious anaemia--only a minority of UK pernicious anaemia patients have had a gastroscopy. [Aliment Pharmacol Ther. 2016]