the heat would not have done it. if you are doing lots of injections it could be scare tissue. do you hear like a "crunchy" sound when you push the needel in?
how many injection sites and what size pin do you use?
the heat would not have done it. if you are doing lots of injections it could be scare tissue. do you hear like a "crunchy" sound when you push the needel in?
how many injection sites and what size pin do you use?
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