Pathogenicity of the L-phase of bacteria.

Arthritis, Rheumatoid/microbiology Bacteria/isolation & purification Bacterial Infections/etiology Brucella/isolation & purification Brucellosis/microbiology Culture Media Filtration Humans L Forms/cytology,growth & development,isolation & purification,pathogenicity Mycoplasma Osmosis Penicillins Rheumatic Fever/microbiology Salmonella typhi/isolation & purification Species Specificity Streptococcus/isolation & purification Typhoid Fever/microbiology Urinary Tract Infections/microbiology

Culture Media Penicillins