title: High folic acid levels and failure of single-dose methotrexate treatment in ectopic pregnancy.
authors.affiliation: Department of Obstetrics and Gynecology (D-50), University of Miami School of Medicine, Jackson Memorial Hospital, Miami, FL 33010, USA. ptakacs@med.miami.edu
authors.forename: P
authors.initials: P
authors.lastname: Takacs
authors.forename: L
authors.initials: L
authors.lastname: Rodriguez
mesh_terms: D000020:Abortifacient Agents, Nonsteroidal / Q000008:administration & dosage*; D000328:Adult; D018997:Chorionic Gonadotropin, beta Subunit, Human / Q000097:blood; D004305:Dose-Response Relationship, Drug; D005260:Female; D005492:Folic Acid / Q000097:blood*; D006801:Humans; D008727:Methotrexate / Q000008:administration & dosage*; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000188:drug therapy*; D019233:Retreatment; D017211:Treatment Failure
chemical_list: D000020:Abortifacient Agents, Nonsteroidal; D018997:Chorionic Gonadotropin, beta Subunit, Human; D005492:Folic Acid; D008727:Methotrexate