Saib luv luv ntawm kab lus no: IV cannula yog dab tsi?Dab tsi yog qhov txawv ntawm IV cannula?IV cannulation siv rau dab tsi?Qhov loj ntawm 4 cannula yog dab tsi?IV cannula yog dab tsi?Ib qho IV yog ib lub raj yas me me, tso rau hauv cov hlab ntsha, feem ntau ntawm koj txhais tes lossis caj npab.IV cannulas muaj luv luv, f ...
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