Case of a scirrhus in the pylorus of an infant.

First American case report on congenital hypertrophic pyloric stenosis. Cases and observations by the Medical Society of New-Haven County…was the first American medical periodical. Only one volume was published. Beardsley’s paper was reprinted in Arch. Pediat, 1903, 20, 355-57. and also in M.M. Ravitch, The story of pyloric stenosis, Surgery, 1960, 48, 1117- 1143. Digital facsimile from the Internet Archive at this link.