Mukupera kwema1990, zvidzidzo zvakawanda zvakaitwa kuti zviongorore kururamisa kwevasiri-nyanzvi, vanotanga kupindura, varapi vehutano uye kunyange vanachiremba mukuongorora chete kuvapo kwepulse.Mune imwe ongororo, chiyero chekubudirira kwekuzivikanwa kwepulse kwakadzikira se45%, nepo mune imwe ongororo, majunior doctors spe ...
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