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Asearlyasnineteencentury,incidentalpresenceofspiralorganismswasnotedinthestomachsofdogs[1],ratsandcats[2].Intheearlyyearsofth...
Asearlyasnineteencentury, incidentalpresenceofspiralorganismswasnotedinthestomachsofdogs [1], ratsandcats [2]. Intheearlyyearsofth ...