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manfen1000이(가) 업데이트를 게시했습니다 3 년, 7 개월 전
Before the modern vacuum tube, blood collection tubes and other devices were difficult and imprecise. Etched lines in borosilicate glass tubes reflected the amount of blood the phlebotomist needed to collect.
manfen1000이(가) 업데이트를 게시했습니다 3 년, 7 개월 전
Before the modern vacuum tube, blood collection tubes and other devices were difficult and imprecise. Etched lines in borosilicate glass tubes reflected the amount of blood the phlebotomist needed to collect.