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Injection Techniques – Step-by-Step Guide 1. Intramuscular Injection (IM) – 90° Angle 📌 Needle Position: Perpendicular to the skin (90° angle) 📌 Target Site: Muscle layer 📌 Common Sites: Deltoid, Vastus Lateralis, US$ 22.67 Min. order: 1 piece ★★★★★ 4.3 (101 reviews) Sold : Login>>