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2. Government of Canada. Tetanus toxoid: Canadian immunization guide. https://www.canada.ca/en/public-health/services/publications/healthy-living/canadian-immunization-guide-part-4-active-vaccines/page-22-tetanus-toxoid.html#p4c21t1
3. Public Health England. Tetanus: Guidance on the management of suspected tetanus cases and on the assessment and management of tetanus-prone wounds. https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/820628/Tetanus_information_for_health_professionals_2019.pdf
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5. Accuracy of bedside ultrasound for the detection of soft tissue foreign bodies by emergency doctors