antagonism

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These anomalies suggest that the 5 mix and 13 mix displaced DHT from the AR in ways not compatible with competitive antagonism.
1] receptor by MRS2365 to induce platelet shape change and displayed a competitive antagonism of ADP-induced platelet aggregation, which most probably involves competition for a single binding site in platelets.
In experiments with parallel shift in histamine-response curve, the concentration-ratio minus one (CR-1) as competitive antagonism effect was calculated by the following equation: