Freedman, D. S., Brown, J. P., Weir, D. G., & Scott, J. M. (1973). The reproducibility and use of the tritiated folic acid urinary excretion test as a measure of folate absorption in clinical practice: Effect of methotrexate on absorption of folic acid.
Chicago ZitierstilFreedman, D. S., J. P. Brown, D. G. Weir, und J. M. Scott. The Reproducibility and Use of the Tritiated Folic Acid Urinary Excretion Test As a Measure of Folate Absorption in Clinical Practice: Effect of Methotrexate On Absorption of Folic Acid. 1973.
MLA ZitierstilFreedman, D. S., J. P. Brown, D. G. Weir, und J. M. Scott. The Reproducibility and Use of the Tritiated Folic Acid Urinary Excretion Test As a Measure of Folate Absorption in Clinical Practice: Effect of Methotrexate On Absorption of Folic Acid. 1973.