200mg/ or "per" ml....and you have 10ml...1cc=1ml so 1cc = 200mgs (let me know if you get lost)...if your going to inject 400mgs of test a week...then you can inject 1CC = 200mgs 2 times a week = 400mgs (or 2ccs) You dont need to inect 100mgs (or .5cc) because if you do, then that would mean you have to poke yourself 4 times in the week...just do 2 shots of 1cc a week..make sense?
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