A letter to Sir Henry Halford, bart., president of the Royal College of Physicians, proposing a method of inoculating the small-pox, which deprives it of all its danger, but preserves all its power of preventing a second attack
Автор: Ferguson, Robert, 1799-1865,Halford, Henry, Sir, bart., 1766-1844, издатель: "Книга по Требованию", ISBN: 978-5-8725-5459-2


4 из 5, 7 голос(-ов).