I got a bunch of B-D Tuberculin SlipTip(TM) syringes.
when I inject there is a bunch of medicine/blood left in there, Ive been pulling out more blood and pushing it back in multiple times. Is this how you use these? How are you supposed to inject all of the medicine with these things?
heres what im working with
please help
when I inject there is a bunch of medicine/blood left in there, Ive been pulling out more blood and pushing it back in multiple times. Is this how you use these? How are you supposed to inject all of the medicine with these things?
heres what im working with
please help

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