[Long-term maintenance of 2 toxigenic strains of group A streptococcus in deep freeze].
D003080:Cold Temperature; D005615:Freezing; D066298:In Vitro Techniques; D013291:Streptococcus; D014118:Toxins, Biological
D014118:Toxins, Biological
Dipfrizde uzun bir süre saklanan a grubundan 2 streptokok suşu.