RT Journal Article SR Electronic T1 Measurement of Folates in Human Plasma and Erythrocytes by a Radiometric Microbiologic Method JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 906 OP 912 VO 19 IS 8 A1 Chen, Marianne F. A1 McIntyre, Patricia A. A1 Kertcher, Judith A. YR 1978 UL http://jnm.snmjournals.org/content/19/8/906.abstract AB