11 个月
The Focus on MSNIf you’re biting your cheek a lot, it could be your brain trying to send a warningPeople habituated to biting their cheeks will find white residue in their mouth, which is nothing but excess keratin produced ...
With 1,000 Canadian patients waiting for lifesaving stem cell transplants, university students in Fredericton are being asked this week to help give them a better chance of survival. Canadian ...
People who wish to join the stem cell registry only have to swab the inside of their cheek to collect a sample, which Canadian Blood Services will then test. If a match is found, then the person ...
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