Estimation of blood phenylalanine from a dried blood spot using the Guthrie test.
D001412:Bacillus subtilis / Q000187:drug effects; D001681:Biological Assay; D003470:Culture Media; D006358:Hot Temperature; D006801:Humans; D007223:Infant; D008722:Methods; D010209:Paper; D010649:Phenylalanine / Q000097:blood*; D010661:Phenylketonurias / Q000175:diagnosis*
D003470:Culture Media; D010649:Phenylalanine