Wang, ZX, LH Sun, and AP Chen. 2008. “The Efficacy of Non-Pharmacological Methods of Pain Management in School-Age Children Receiving Venepuncture in a Paediatric Department: A Randomized Controlled Trial of Audiovisual Distraction and Routine Psychological Intervention”. Swiss Medical Weekly 138 (3940):579-84. https://doi.org/10.4414/smw.2008.12224.