Headache Case Reports 2024 Jan;64(1):117-118.doi: 10.1111/head.14662. Epub 2023 Dec 29. Marion Beltramone, Sylvain Redon, Anne Donnet PMID: 38156514 DOI: 10.1111/head.14662 Bone site fracture pain after subcutaneous sumatriptan injection: A report of two cases