title: False positive gram stain of amniotic fluid from amniocentesis: case reports.
mesh_terms: D000328:Adult; D000649:Amniocentesis; D000653:Amniotic Fluid / Q000382:microbiology*; D005189:False Positive Reactions; D005260:Female; D005840:Gentian Violet; D006801:Humans; D010619:Phenazines; D011247:Pregnancy; D013194:Staining and Labeling
chemical_list: C035863:Gram's stain; D010619:Phenazines; D005840:Gentian Violet