Application of closed system injection and blood sampling units.
D001800:Blood Specimen Collection; D004864:Equipment and Supplies; D006801:Humans; D007267:Injections; D018962:Phlebotomy; D012698:Serologic Tests / Q000600:supply & distribution*; D013594:Syringes
INJECTIONS; SERODIAGNOSIS/equipment and supplies; SYRINGES