title: Nile blue staining of cells in amniotic fluid for fetal maturity. I. A reappraisal.
mesh_terms: D000653:Amniotic Fluid / Q000166:cytology*; D002467:Cell Nucleus; D003116:Color; D004396:Coloring Agents / Q000592:standards; D003584:Cytological Techniques; D003593:Cytoplasm; D005314:Embryonic and Fetal Development; D005188:False Negative Reactions; D005189:False Positive Reactions; D005260:Female; D005865:Gestational Age; D006801:Humans; D002479:Inclusion Bodies; D010078:Oxazines / Q000592:standards*; D011247:Pregnancy; D011446:Prospective Studies; D013194:Staining and Labeling / Q000592:standards
chemical_list: D004396:Coloring Agents; D010078:Oxazines