title: Serum and red blood cell folate testing on hospitalized patients.
authors.affiliation: Medical Service, Veterans Affairs Boston Healthcare System, West Roxbury, Massachusetts.|Harvard Medical School, Boston, Massachusetts.
authors.forename: Anthony C
authors.initials: AC
authors.lastname: Breu
authors.affiliation: Harvard Medical School, Boston, Massachusetts.|Division of General Medicine and Primary Care, Beth Israel Deaconess Medical Center, Boston, Massachusetts.
authors.forename: Jesse
authors.initials: J
authors.lastname: Theisen-Toupal
authors.affiliation: Divisions of General Internal Medicine and Pediatrics, Johns Hopkins Hospital, Baltimore, Maryland.|Johns Hopkins School of Medicine, Baltimore, Maryland.
authors.forename: Leonard S
authors.initials: LS
authors.lastname: Feldman
mesh_terms: D000368:Aged; D000748:Anemia, Macrocytic / Q000097:blood / Q000209:etiology; D005492:Folic Acid / Q000097:blood*; D005494:Folic Acid Deficiency / Q000175:diagnosis*; D006403:Hematologic Tests; D006760:Hospitalization; D006801:Humans; D008297:Male
chemical_list: D005492:Folic Acid