1. Cayeux, Ph., Acar, J. F., Chabbeet, Y. A.: Bacterial persistence in streptococcal endocarditis due to thiol requiring mutants. J. Infect. Dis., 124, 241–254 (1971).
2. Chabbeet, Y. A., Sueeau, B., Martin, L. R., Vial
H.: Mécanisme d’action des antibiotiques dans les endocardites bactériennes a streptocoques. Memor. del IV Congreso Mundial de Cardiol. IV-B, 480–490 (1962).
3. Guze, L. B. (Ed.): Microbial protoplasts, spheroplasts and L-forms. Baltimore: Williams and Wilkins Co. 1968.
4. Jawetz, E., Gunnison, J. B., Coleman, V. R.: Science 111, 254 (1950).
5. Loueia, D. B., Kaminski, T., Geieco, H., Singer, J.: Aberrant forms of bacteria and fungi found in blood or cerebrospinal fluid. Arch, intern. Med. 124, 39–48 (1969).