In this present second edition of this syllabus, Dr. I. B. Wexler, long time associate of the senior author, became co-author.
During the 9 years between the first edition and the second edition much that is new has been added to the subject, even more than the 25% increase in size would suggest, yet the topics treated in the eight chapters have remained the same. The points of view expressed are also unchanged; for example, referring to the damage in the brain and liver on page 58, Wiener believes that "the lesions encountered in the erythroblastic infant are due, at least in part, to intravascular conglutination of red cells with blocking of the circulation." This point of view will find few if any supporters.
On the other hand, among the innovations there is at least one which could have been omitted profitably: icterus index has been added. Biochemists generally agree