Definition

[dean]

Hi all,

Would somebody please comments my sentences?

Regards,
Dean

In this survey “new medicine” is defined as medicine that will be marketed soon or has been released recently but never been discussed with the pharmaceutical representatives in previous meeting. “Old medicine” is referred to medicine that has been released for sometime and has been discussed with the pharmaceutical representatives in previous meetings.

[Tdol]

In this survey - comma
in previous meeting- plural or an article
is referred to- refers to
sometime- some time