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1995 Jul-Aug;86(7-8):290-3
Self-inject with a syringe Hold the needle like a dart and insert it into the muscle at a 90-degree angle
There is supporting evidence reporting adverse effects from long-term rhIGF-1 treatment including neoplastic formation, cataract and renal hypertrophy, all of which seem to be the most severe effects observed and are usually rare [123, 282284]
Parkinson's Disease 3, 461491