4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid,6-(formylamino)-3,3-dimethyl-7-oxo-, (2S,5R,6R)-
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IgE antibodies for penicillins and cephalosporins in rats. II. Antigenic specificity of rat anti-penicillin-OvA IgE sera. | The Journal of antibiotics 19810101 |