Ib tug thrombus zoo li ib tug dab wandering nyob rau hauv cov hlab ntsha.Thaum cov hlab ntsha raug thaiv, cov ntshav thauj mus los yuav ua rau tuag tes tuag taw, thiab qhov tshwm sim yuav ua rau tuag taus.Tsis tas li ntawd, ntshav txhaws tuaj yeem tshwm sim thaum muaj hnub nyoog thiab txhua lub sijhawm, ua rau muaj kev hem thawj rau lub neej thiab kev noj qab haus huv.Dab tsi yog ...
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