Observations on abortion : containing an account of the manner in which it takes place, the causes which produce it, and the method of preventing or treating it Burns, John, 1774-1850. Abortion, Spontaneous Second American edition Printed at Springfield [Mass.] : For Isaiah Thomas, Jun., Thomas Dickman, printer, 1809 Text 138 [i. e. 142] p. nlm:nlmuid-2544077R-bk 2544077R http://resource.nlm.nih.gov/2544077R English The National Library of Medicine believes this item to be in the public domain : https://creativecommons.org/publicdomain/mark/1.0/