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前言：作者曾用相当于ＬＤ５０剂量的铍（５０μｇ）给小鼠皮下注射观察其对血清补体系统及血液凝固系统的影响。本次实验则对血清补体系统及唾液酸进行了测定。实验动物及方法：实验动物用６周龄的雄性ＢＡＬＢ／Ｃ小鼠，背部皮下一次性注射１ｍｇ／ｍｌ氯化铍（ＢｅＣｌ２）
Foreword: The authors used subcutaneous injections of beryllium (50 μg), equivalent to a dose of LD50, to observe the effect on serum complement system and blood coagulation system. This experiment is the determination of serum complement system and sialic acid. Experimental animals and methods: Experimental animals Six-week-old male BALB / C mice were injected subcutaneously with 1 mg / ml BeCl2