Trzcinski, K.

cluster strain clone pneumococcal pneumoniae genotype penicillin streptococcu resistance pneumococci poland streptococcus pneumoniae serotype center pbp genotypes box pcr typing pattern pneumococcal strains pandemic study country analysis clusters ii rfel types penicillin mics pbp 2x 0.12 penicillin resistance genes non-penicillin-susceptible pneumococcal strains microbiol box pcr types herman infection capsular table patient 1995. otitis media multidrug-resistant health cluster iii microbiology rfel analysis 1 min non-penicillin-susceptible pneumococci restriction fragment end 1.0 typing 2-2-9 serotypes 23 f susceptibility penicillin-resistant fragment children tract infections warsaw pbp 2b spain child sluijter paxcdelt hospital 1-1-1 pcdelt laboratory 1997. spread groot 4.0 throat transfer addition method restriction polymorphism tract box pcr collection cluster i penicillin-resistant pneumococci