Preclinical Medicine: Preclinical States and Prevention of Disease

In the preface, Dr. Thewlis grants that there is no clearcut demarcation between clinical and preclinical medicine and, of course, that is evident throughout the book. A rather disappointing feature is the inclusion everywhere of so much material regarding disease prevention. Of course there is no subject more important than disease prevention, but this is supposed to be a book on preclinical medicine. The author evidently wants to get a vast amount of information before his readers. One result of this is a short, jerky style which may be forgiven, but it leads to such short, snappy sentences as "The next worldwide epidemic of influenza is expected in 1948." There is no word of explanation or any connection with anything except the general subject of influenza. Every pioneer makes the way easier for the next comers. Dr. Thewlis is actually pioneering in preclinical medicine. There are certainly preclinical states in