The company does not provide sales figures for individual drugs.
The individual drugs were both initially developed in China.
Specific individual drugs may not be available due to differences in laws and regulations.
Every drug is different, so it is important to know the effects of each individual drug, not just the general group.
But erection problems may be less common with some individual drugs within that group than with others.
So, their response is to create policies for individual specific drugs rather than bundling them.
Effective lifestyle modification may lower blood pressure as much an individual antihypertensive drug.
The common and minor side effects of this combination are those of its individual drugs.
The sum of these parts can be considered an individual drug's "culture".