asthma
Thereafter, we detected the autoantibodies to beta 2-adrenergic       receptors in the sera from patients with asthma as it could inhibit the positive        chronotropic action of clenbuterol.
Thereafter, we detected the autoantibodies to beta 2-adrenergic       receptors in the sera from  @OBJECT$   @PREDICAT$   @SUBJECT$  as it could inhibit the positive        chronotropic action of clenbuterol.