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grim look at civil war surgery unearthed by new pit of limbs, bodies
amputations
bullets
civil war
combat
limbs
medicine
military
soldiers
surgery
技术
科学
源
grandma wakes from coma four hours before family planned to end life support
amputations
coma
entertainment
grandmother
news
源
fda approves first prosthesis controlled by muscle electrical signals
amputations
amputees
bionic arm
dean kamen
deka
deka arm
prosthetic arm
prosthetics
技术
源
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