If your doctors says you need medical marijuana and he/she will sign the papers for it and your lost where to get it this one below is a good one to deal with,
Its a legal medical cannabis Licensed Producer with some pretty good potent strains plus they have extracts as well.

Code:
https://www.tilray.ca/
These are the forms to fill out and also one for your doctor to fill out as well.
Code:
https://www.tilray.ca/wp-content/uploads/2016/03/20160317-TilrayPatientApplication.pdf