New evidence for a binding principle specific for folates as a normal constituent of human serum.
D000327:Adsorption; D001667:Binding, Competitive; D002606:Charcoal; D005492:Folic Acid / Q000097:blood*; D006801:Humans; D011485:Protein Binding; D011863:Radioimmunoassay; D013763:Tetrahydrofolates / Q000097:blood; D014316:Tritium
D013763:Tetrahydrofolates; D014316:Tritium; D002606:Charcoal; D005492:Folic Acid