Leonard Tushnet. Subtitle: Studies of Starvation in the Warsaw Ghetto. Published 1966 by A. S. Barnes & Company.
The author is a doctor who also wrote a book about the resistance movement in the Ghetto, but he was not there. He interviewed the 7 surviving doctors who participated in the study.
found it, thanks
http://www.tushnet.com/leonard/uses%20cover.pdf
found it, thanks
http://www.tushnet.com/leonard/uses%20cover.pdf