Phenotypic and genotypic features of first biofilm forming nasopharyngeal colonized Streptococcus pneumoniae isolates - Mousavi, Seyed Fazlollah; Mirzaei, Bahman; Shaghaghi, Bahareh; Jalali, Pantea; Setayesh, Tahereh; Moosavi, Seyed Hamid (Iranian Journal of Microbiology, 2017)