Ọtụtụ ndị enyi na-arụ ọrụ na ngalaba ọgwụ na-eri nri na-ajụ m, gịnị kpatara na Kangyuan's urinary catheters nwere aha ọma dị otú ahụ ma nwee ike ree ya nke ọma na Europe, America, Southeast Asia na ọtụtụ mba ndị ọzọ?Ka anyị kwuo banyere ya taa.Nke mbụ, th...
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