Frank Billings' classic and forever relevant 1916 masterpiece, with a 2013 Foreword by S. H. Shakman of the Institute Of Science (... "Four Score and Seventeen Years Ago", providing an historical review and update on the subject of the relation between oral infections and systemic diseases.
Read More
Frank Billings' classic and forever relevant 1916 masterpiece, with a 2013 Foreword by S. H. Shakman of the Institute Of Science (... "Four Score and Seventeen Years Ago", providing an historical review and update on the subject of the relation between oral infections and systemic diseases.
Read Less