Greatest Benefit to Mankind, A Medical History of Humanity, HarperCollins Publishers, Roy Porter,Medical research,Medical equipment, devices and techniques, London;history of medicine;penicillin;Indian medicine;psychiatry;smallpox;medicine;medical research;Chinese medicine;cholera;plague;disease;AIDS;surgery;cancer,, , United Kingdom, en-GBhttps://www.harpercollins.co.ukLondon;history of medicine;penicillin;Indian medicine;psychiatry;smallpox;medicine;medical research;Chinese medicine;cholera;plague;disease;AIDS;surgery;cancer, [BLURB],[CITY],,books, ebooks, biblet, Book2look