Rautonen, J Neopterin in diagnosis of human immunodeficiency virus infection in infants. [electronic resource] - Journal of clinical microbiology Apr 1991 - 850-1 p. digital Publication Type: Comment; Letter ISSN: 0095-1137 Standard No.: 10.1128/jcm.29.4.850-851.1991 doi Subjects--Topical Terms: Biopterins--analogs & derivativesFetal Blood--metabolismHIV Infections--diagnosisHumansInfantInfant, NewbornNeopterin