Wowongolera pazida zamankhwala ndi waya woonda, wosinthika womwe umagwiritsidwa ntchito kuwongolera ndikuyika zida zamankhwala, monga ma catheter, mkati mwa thupi panthawi yamankhwala osiyanasiyana. Ma Guidewire nthawi zambiri amagwiritsidwa ntchito polowera pang'onopang'ono komanso njira zolowera m'mitsempha, mitsempha, ndi ...
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