TY - RPRT TI - Modified Johnson basket for antegrade stone extraction. AU - C C Carson AU - S Braun AU - J L Weinerth AU - N R Dunnick PY - 1984 DO - 10.1016/0090-4295(84)90211-5 UR - https://pubmed.ncbi.nlm.nih.gov/6485195/ ID - 6485195 ER -