to obtain information on the sites and mechanisms of the myoneural effect of aminoglycoside and polypeptide type antibiotics , the influence of neomycin , streptomycin , gentamicin and polymyxin b on the depression of the force of contraction ( p ) of the rat phrenic nerve-hemidiaphragm preparation was investigated at 37 degrees c , 27 degrees c or 17 degrees c and also at 37 degrees c in electrolyte solutions containing 2.5 , 1.25 or 0.625 mm cacl2 .
C0002556
aminoglycoside
C0017436
gentamicin