title: Studies and review of the main tests for pregnancy diagnosis; Chemical tests.
authors.forename: M I
authors.initials: MI
authors.lastname: MELLO
mesh_terms: D009525:Niacin / Q000032:analysis*; D009539:Nicotinic Acids; D011247:Pregnancy / Q000175:diagnosis
chemical_list: D009539:Nicotinic Acids; D009525:Niacin
keywords: NICOTINIC ACID/determination; PREGNANCY/diagnosis
vernacular_title: Estudos e revisão dos principais testes para disgnostico da gravidez; testes quimicos.