BLOOD

Abstract

The scope of a review of this nature is difficult to define precisely. So far as possible the object has been to include for consideration all articles which contribute new information to the subject of diseases of the blood and blood-forming organs, those which advance well thoughtout speculations to explain observed phenomena and those which supplement or confirm the present beliefs. In the interests of the reader it has seemed best to correlate in connected exposition the material reviewed, although in accomplishing this it has at times been necessary to give what may seem undue weight to certain articles, while slighting others of equal merit. It is, of course, unavoidable that a number of significant communications should be passed over entirely, but it is hoped that such omissions may be corrected in succeeding reviews. PERNICIOUS ANEMIA General Considerations. —It is generally accepted that achlorhydria is a constant feature of pernicious