An air contrast barium enema is a test for your colon. These days, doctors don’t use it as often to look for colorectal cancer. Instead, it’s more common to get a colonoscopy, which can find ...

ANALYSIS of the secretion from the nasal gland of marine birds indicates that the secretory mechanism is highly specific for sodium and/or chloride. Only very small amounts of potassium, magnesium ...

Choose from Barium stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection Essentials collection ...

Department of Chemical Sciences and Bernal Institute, University of Limerick, V94 T9PX Limerick, Ireland ...