The development of thin-layer and gas chromatographic technics has permitted the accurate separation and quantification of bile salts in both the conjugated and the unconjugated forms. We have used ...

Intestinal absorption of 59 Fe-labeled hemoglobin was measured in children with severe dietary iron deficiency and in iron-replete controls. Absorption was impaired in all the iron-deficient children ...

For decades, peering into the gut meant invasive procedures and partial answers. Now, scientists are developing a biosensor that could reveal a far more expansive picture of what’s really happening ...