Evaluation of pharmacodynamic activities of EPs® 7630, a special extract from roots of Pelargonium sidoides, in animals models of cough, secretolytic activity and acute bronchitis.

Although the mean cough latency time was markedly prolonged in EPs ® 7630 treated guinea pigs this did not reach statistical significance due to a highly variable response of individual animals in the different groups ( Table 2 ).

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