Infantile paralysis in Massachusetts, 1907-1912. Together with reports of special investigations in 1913, bearing upon the etiology of the disease and the method of its transmission
Автор: Massachusetts. State Board of Health, 161 стр., издатель: "Книга по Требованию", ISBN: 978-5-8832-9859-1



5 из 5, 10 голос(-ов).