Fiori A, Panari G, Rossi G, de Mercurio D. Polymorphism of A, B and H substances in human urine.
JOURNAL OF CHROMATOGRAPHY 1978;
145:51-62. [PMID:
621247 DOI:
10.1016/s0378-4347(00)81667-9]
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Abstract
The gel-chromatographic behavior of A, B and H substances from urine was examined and compared with that of previously described AHB salivary fractions. Urinary fractions 1 and 2 exhibited a molecular size smaller than those of salivary fractions 1 and 2. In the urine of 52 subjects a polymorphism of A, B and H substances, with four main types, was observed which is independent of the salivary one and of the so-called secretor and nonsecretor status.
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