KESSINGER PUB CO Sivumäärä: 100 sivua Asu: Kovakantinen kirja Julkaisuvuosi: 2010, 01.09.2010 (lisätietoa) Kieli: Englanti
1917. There is only one cause of disease, although the disease may manifest itself in various different forms and in different degrees of severity. The particular part of the body in which the disease changes to make it's appearance, and the external form in which it expresses itself, depend upon hereditary influences, age, vocation, abode, food, climate, etc.