title: Re: El-Nahas et al.: factors affecting stone-free rate and complications of percutaneous nephrolithotomy for treatment of staghorn stone (urology 2012;79:1236-1241).
authors.forename: Bhupendra Pal
authors.initials: BP
authors.lastname: Singh
authors.forename: Urmila
authors.initials: U
authors.lastname: Dhakad
mesh_terms: D005260:Female; D006801:Humans; D007669:Kidney Calculi / Q000601:surgery*; D008297:Male; D009403:Nephrostomy, Percutaneous