注射肉毒素的副作用包括轻微短暂的肌无力和注射点疼痛。
Side effects included mild and temporary muscle weakness and pain at the injection site.
在战场上，如果没有检查骨折并确定注射点的途径，即使采用他们的发明也无济于事。
On a battlefield, even their invention would not be of much use without a way to check the fracture and to decide where to make the injection.
然后被注入骨髓中的多能干细胞到动物的脾脏内并惊异的发现在每个注射点周围生长了一圈细胞。
They then injected versatile bone-marrow cells into the animals' spleens and were surprised to see a ball of cells grow from each injection site.
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