An injection against croup at the Hôpital Trousseau, Paris. Photogravure by Bruun Clement, 1899, after P.A.A. Brouillet, 1893.

Licence: Public Domain Mark

Credit: An injection against croup at the Hôpital Trousseau, Paris. Photogravure by Bruun Clement, 1899, after P.A.A. Brouillet, 1893. Wellcome Collection. Source: Wellcome Collection.