1. Legionnaires' Disease
2. C. Thornsberry, C. Baker, L. Kirven, Antimicrob. Ag. Chemother. ((in the press)).
3. V.J. Lewis, W.L. Thacker, C.C. Shepard, et al., Antimicrob. Ag. Chemother. ((in the press)).
4. Legionnaires' Disease
5. Kaufmann, A. Personal communication, 1977.