title: Editorial comment on: The learning curve in the training of percutaneous nephrolithotomy.
authors.affiliation: David Geffen School of Medicine at UCLA, Los Angeles, CA, USA. abreda@mednet.ucla.edu
authors.forename: Alberto
authors.initials: A
authors.lastname: Breda
mesh_terms: D002983:Clinical Competence; D004502:Education, Medical, Continuing / Q000379:methods* / Q000592:standards; D006801:Humans; D053040:Nephrolithiasis / Q000628:therapy*; D009403:Nephrostomy, Percutaneous; D014572:Urology / Q000193:education*