in six intensive care patients with an increased risk of gastrointestinal bleeding the new h2-receptor antagonist ranitidine in a dose of 0.125 mg/kg b.w./hr i.v . raised intragastric ph within two hours to values between 6.0 and 7.0 .
C0017181
gastrointestinal bleeding
C0034665
h2-receptor antagonist ranitidine