title: Estimating the depth of puncture in percutaneous nephrolithotomy: an alternative approach.
authors.affiliation: CDR Hospitals, Visakhapatnam, India.
authors.forename: M M
authors.initials: MM
authors.lastname: Bheri
mesh_terms: D003657:Decision Making; D006801:Humans; D007669:Kidney Calculi / Q000601:surgery*; D008433:Mathematics; D009403:Nephrostomy, Percutaneous / Q000379:methods*; D011677:Punctures