A probationary essay, on the extraction of calculi from the urinary bladder, containing some account of certain methods that have been recently proposed. Submitted, by authority of the president and his council, to the examination of the Royal College of Surgeons of Edinburgh, when candidate for admission into their body, in conformity to their regulations respecting the admission of ordinary fellows. March 1825 / [William Thomson].

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A probationary essay, on the extraction of calculi from the urinary bladder, containing some account of certain methods that have been recently proposed. Submitted, by authority of the president and his council, to the examination of the Royal College of Surgeons of Edinburgh, when candidate for admission into their body, in conformity to their regulations respecting the admission of ordinary fellows. March 1825 / [William Thomson]. Public Domain Mark. Source: Wellcome Collection.