Half a century of small-pox and vaccination; being the Milroy lectures delivered before the Royal College of Physicians of London on March 13th, 18th and 20th, 1919
Half a century of small-pox and vaccination; being the Milroy lectures delivered before the Royal College of Physicians of London on March 13th, 18th and 20th, 1919
Название:
Half a century of small-pox and vaccination; being the Milroy lectures delivered before the Royal College of Physicians of London on March 13th, 18th and 20th, 1919
