title: A MTT-linked spot test for the detection of 'silent' phenotypes of purine nucleoside phosphorylase (NP) in cattle erythrocytes.
mesh_terms: D000818:Animals; D002417:Cattle / Q000097:blood*; D004912:Erythrocytes / Q000201:enzymology*; D010430:Pentosyltransferases; D010641:Phenotype; D011683:Purine-Nucleoside Phosphorylase / Q000097:blood; D013778:Tetrazolium Salts
chemical_list: D013778:Tetrazolium Salts; D010430:Pentosyltransferases; D011683:Purine-Nucleoside Phosphorylase