Comparison of two isotope methods for determination of endogenous fecal calcium.
D002118:Calcium / Q000032:analysis*; D002136:Calcium, Dietary; D005243:Feces; D006801:Humans; D007554:Isotopes
D002136:Calcium, Dietary; D007554:Isotopes; D002118:Calcium
CALCIUM/determination; FECES