Pneumonia due to Mycoplasma pneumoniae. Its incidence in the membership of a co-operative medical group.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003168:Complement Fixation Tests; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008875:Middle Aged; D009174:Mycoplasma / Q000302:isolation & purification; D011024:Pneumonia, Viral / Q000175:diagnosis / Q000453:epidemiology*; D012621:Seasons; D014861:Washington