This nurse-inventor designs a third hand.
Kleeman
A
A
D000062:Accidents, Occupational / Q000517:prevention & control*; D004867:Equipment Design; D006281:Health Occupations; D006801:Humans; D009339:Needles; D016602:Needlestick Injuries / Q000517:prevention & control*; D012037:Refuse Disposal / Q000295:instrumentation*