14 pages (pp. 441-454) IN: The American Journal of Obstetrics and Diseases of Women and Children, 1901, vol. 44, no. 286. 8vo, original gray printed wrappers. N.Y., 1901. First Edition. Whole number offered entire.
Kelly tipped the catheter with wax, so that it registered clearly any pressure from sharp stones. This became an important means of diagnosing calculi. GM 4295.