title: Combined retrograde and antegrade manipulations for percutaneous nephrolithotomy of ureteric calculi: "push-pull" technique.
mesh_terms: D003558:Cystoscopy; D005471:Fluoroscopy; D006801:Humans; D007668:Kidney / Q000601:surgery*; D011187:Posture; D011677:Punctures / Q000379:methods*; D013997:Time Factors; D014514:Ureteral Calculi / Q000601:surgery* / Q000628:therapy; D014546:Urinary Catheterization / Q000379:methods