Key points are not available for this paper at this time.
‡ Traince in Infectious Diseases and Fellow in Medicine, Wayne State University School of Medicine, Detroit, Michigan. ‡ Associate Professor of Medicine and Associate in Microbiology and Pathology, Wayne State University School of Medicine; Director of Bacteriology Laboratory and Chief of Infectious Diseases, Detroit Receiving Hospital, Detroit, Michigan.
Tillotson et al. (Sat,) studied this question.