World Health Organization
Health worker training module: managing pain during vaccine administration - May 2017 PowerPoint
Reducing pain at the time of vaccination: WHO position paper– September 2015. WER 2015;90(39):505-16. (http://www.who.int/wer/2015/wer9039.pdf?ua=1)
Meeting of the Strategic Advisory Group of Experts on immunization, April 2015: conclusions and recommendations. Reducing pain and distress at the time of vaccination. Wkly Epidemiol Rec (WER). 2015;90:269-71.