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Support was received from the National Natural Science Foundation of China (21703218), Shenzhen Science and Technology Innovation Commission (JCYJ20180507183907224, KQTD20170809110344233), and Shenzhen Economic, Trade and Information Commission through the Graphene Manufacturing Innovation Center (201901161514)
Vitamin B12 can prevent anemia by helping your body produce enough red blood cells, thus boosting your energy
Black or tarry stools, for instance, often indicate bleeding in the upper gastrointestinal tract, such as the stomach or small intestine
The concentration of SSA in the sample should be 0.5 to 1% at the time of measurement
doi: 10.1002/art.38053 186 PanulaHELohmanderLSRonkkoSAgrenUHelminenHJKivirantaI