title: [A 23-year longitudinal study on the M-types of group A streptococci from the scarlet fever patients in Tokyo Metropolitan Toshima Hospital during the period, 1956-1978].
mesh_terms: D006801:Humans; D008137:Longitudinal Studies; D012541:Scarlet Fever / Q000453:epidemiology / Q000382:microbiology*; D013297:Streptococcus pyogenes / Q000145:classification* / Q000302:isolation & purification; D014041:Tokyo