They are dr. office type.They are McKesson. I go to Ross Medical education center and I got them from my teacher. All you do is place 3 drops of urine in the spot, and wait 3 minutes.
They are dr. office type.They are McKesson. I go to Ross Medical education center and I got them from my teacher. All you do is place 3 drops of urine in the spot, and wait 3 minutes.