[Pneumonia--with special reference to the vicissitudes and countermeasures (author's transl)].
D000818:Animals; D004352:Drug Resistance, Microbial; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D051379:Mice; D008875:Middle Aged; D009175:Mycoplasma Infections / Q000453:epidemiology; D011014:Pneumonia / Q000453:epidemiology / Q000382:microbiology