A woman representing syphilis; advertising Dr Abreu's sanatorium for syphilitics in Barcelona. Colour lithograph by R.… https://www.rawpixel.com/image/13968249/image-face-person-bookFree Image from public domain licenseA woman representing syphilis; advertising Dr Abreu's sanatorium for syphilitics in Barcelona. Colour lithograph by R.… https://www.rawpixel.com/image/13951708/image-cartoon-face-personFree Image from public domain licenseA patient walks down the isle at the Coliseo Juan Aubin Cruz Abreu "Bincito," after receiving medical care in Manatí, Puerto… https://www.rawpixel.com/image/8741578/photo-image-public-domain-personFree Image from public domain license