Single oral doses of C-13 forms of pteroylmonoglutamic acid and 5-formyltetrahydrofolic acid elicit differences in short-term kinetics of labelled and unlabelled folates in plasma: potential problems in interpretation of folate bioavailability studies

Wright A. J. A., Finglas P. M., Dainty J. R., Hart D. J., Wolfe C. A., Southon S., Gregory J. F.. (2003)

British Journal of Nutrition, 90, 363-371