Dear Feng Shu On Wed, 03 Aug 2022 14:19:29 +0800 Feng Shu <tuma...@163.com> wrote:
> Hello:
>
> I want to know what are the mean of derived_from and derived_to,
> thanks!
derived from and to relate to the health professional that referred the
patient to us ("derived from"), or the health professional that we will
send the patient ("derived to").
All the best
Luis
