H. H. Salter, On asthma: chest of an asthmatic
Licence: Public Domain Mark
Credit: H. H. Salter, On asthma: chest of an asthmatic. Wellcome Collection. Source: Wellcome Collection.
Licence: Public Domain Mark
Credit: H. H. Salter, On asthma: chest of an asthmatic. Wellcome Collection. Source: Wellcome Collection.