Expert opinion: bisphosphonates, dyspepsia and cancer Further investigation is needed into oral bisphosphonates and cancer of the oesophagus. by Dr Alun Cooper Sign in to continue Sign In Email address Password Stay signed in Trouble signing in? Reset password: Click here Need help? Email us Register FREE Limited free articles a month Free email bulletins Register Now Subscribe now Benefits include: Full site access Subscriber exclusive content Exclusive bulletins Choose a package