MO: nurse's aide's knee 'pops' climbing stairs: work-related stair climbing injury compensable.
D000062:Accidents, Occupational / Q000191:economics / Q000331:legislation & jurisprudence*; D000203:Activities of Daily Living; D006801:Humans; D007587:Job Description; D007718:Knee Injuries / Q000191:economics / Q000209:etiology*; D008923:Missouri; D009728:Nursing Assistants / Q000331:legislation & jurisprudence*; D016138:Walking; D014942:Workers' Compensation / Q000331:legislation & jurisprudence*