title: What is your guess? A four-day-old boy with an abnormal metabolic screen.
authors.affiliation: Department of Laboratory Medicine, Children's Hospital Boston, Boston, MA 02115, USA.
authors.forename: Yan
authors.initials: Y
authors.lastname: Zhang
authors.forename: Patricia N
authors.initials: PN
authors.lastname: Hoover
authors.forename: Mark D
authors.initials: MD
authors.lastname: Kellogg
mesh_terms: D000596:Amino Acids / Q000097:blood*; D056807:Argininosuccinic Aciduria / Q000175:diagnosis*; D002852:Chromatography, Ion Exchange; D005189:False Positive Reactions; D006801:Humans; D022124:Hyperammonemia / Q000175:diagnosis; D007231:Infant, Newborn; D008297:Male; D015997:Neonatal Screening / Q000379:methods
chemical_list: D000596:Amino Acids