After pneumonia...
Woodhead
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D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005500:Follow-Up Studies; D006801:Humans; D008875:Middle Aged; D011014:Pneumonia / Q000209:etiology* / Q000401:mortality; D012008:Recurrence; D012307:Risk Factors