title: Mass spectrometric immunoassay raises doubt for the existence of parathyroid hormone fragment 7-84.
authors.affiliation: Department of Laboratory Medicine and Pathology Mayo Clinic Rochester, MN.
authors.forename: Ravinder J
authors.initials: RJ
authors.lastname: Singh
authors.affiliation: Department of Laboratory Medicine and Pathology Mayo Clinic Rochester, MN.
authors.forename: Jolaine M
authors.initials: JM
authors.lastname: Hines
authors.affiliation: Thermo Fisher Scientific Cambridge, MA.
authors.forename: Mary F
authors.initials: MF
authors.lastname: Lopez
authors.affiliation: Thermo Fisher Scientific Cambridge, MA.
authors.forename: Bryan
authors.initials: B
authors.lastname: Krastins
authors.affiliation: Departments of Laboratory Medicine and Medicine University of Washington Seattle, WA.
authors.forename: Andrew N
authors.initials: AN
authors.lastname: Hoofnagle
mesh_terms: D000595:Amino Acid Sequence; D006801:Humans; D007118:Immunoassay / Q000379:methods*; D010281:Parathyroid Hormone / Q000097:blood* / Q000737:chemistry / Q000302:isolation & purification; D010446:Peptide Fragments / Q000097:blood* / Q000737:chemistry / Q000302:isolation & purification; D053719:Tandem Mass Spectrometry / Q000379:methods*
chemical_list: D010281:Parathyroid Hormone; D010446:Peptide Fragments; C414937:parathyroid hormone (7-84)