Baysal, Tamer, Ramazan Kutlu, Tayfun Altinok, and Yasar Durmaz. 2021. “Value Of Superficial Ultrasonography In Determination Of Intramuscular Injection Technique And Needle Size On Infant Vaccination”. Annals of Medical Research 9 (3):0191-94. http://www.annalsmedres.org/index.php/aomr/article/view/2919.