Observations on the different modes of puncturing the bladder, [electronic resource] : in cases of retention of urine; pointing out the advantages and disadvantages of each mode of Operating, under Different Circumstances and Diseases, containing An Answer to the following Question: "in cases of retention of urine requiring a puncture of "the bladder; what are the advantages, and disadvantages, "of the different modes which have been proposed; both "as respecting the anatomy of the parts concerned in the "operations, and as regarding their more remote consequences?" To which is added, an appendix, containing several practical observations on some of the causes of retention of urine, and on the use of catheters. By Walter Weldon, surgeon.