Die Athembewegungen : eine physiologisch-pathologische Studie / von Franz Riegel.

Licence: Public Domain Mark

Credit: Die Athembewegungen : eine physiologisch-pathologische Studie / von Franz Riegel. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.