title: No headaches!
authors.forename: Chris
authors.initials: C
authors.lastname: Griffin
mesh_terms: D000282:Administration, Intravaginal; D020070:Cervical Ripening; D005260:Female; D006261:Headache / Q000139:chemically induced*; D006801:Humans; D020030:Nitric Oxide Donors / Q000008:administration & dosage / Q000009:adverse effects*; D011247:Pregnancy
chemical_list: D020030:Nitric Oxide Donors