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Tarihin ci gaban stethoscope
Komai yana fitowa daga bututun takarda.The zamani stethoscope: 200 shekaru tarihi.An haifi stethoscope na farko a duniya a shekara ta 1816, lokacin da likitan Faransa Rene Laennec ya tace sauti daga kirjin majiyyaci zuwa kunne ta wata doguwar bututun takarda.Daidai yadda Laennec ya ƙirƙira ...Kara karantawa