title: A new apparatus for the Douglas cul-de-sac puncture in ambulatory patients.
mesh_terms: D001202:Ascitic Fluid / Q000166:cytology*; D001707:Biopsy, Needle / Q000295:instrumentation*; D003581:Cytodiagnosis; D004312:Douglas' Pouch; D005260:Female; D006801:Humans; D010051:Ovarian Neoplasms / Q000175:diagnosis*