Insertion Sequence <i>1515</i> in the <i>ply</i> Gene of a Type 1 Clinical Isolate of <i>Streptococcus pneumoniae</i> Abolishes Pneumolysin ExpressionFabien Garnier, Marie-Cécile Ploy, Emmanuelle Charpentier et al.|Journal of Clinical Microbiology|2007Cited by 14