Saudi Med J
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Randomized Controlled Trial
The effect of air-lock technique on pain at the site of intramuscular injection.
To investigate the effects of air-lock technique (ALT) on pain of intramuscular (IM) injection delivered to the ventrogluteal and dorsogluteal site (DS). ⋯ Although the difference between groups was not significant, the results of the study supported the idea that injections delivered to the VS by ALT are less painful than those delivered to the DS.