Interpretation of serum and red cell folate results. A comparison of microbiological and radioisotopic methods.


Serum folate and red blood cell folate levels were measured in 167 patients using a microbiological method (Lactobacillus casei) and a commercial 125I radioassay kit. The results of the two methods were compared and related to the clinical findings to see which method more truly reflected the physiological folate status of the patient. There was a good… (More)


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