Brian R. Branchford, Peter Mourani, Lalit Bajaj, Marilyn Manco-Johnson, Michael Wang, and Neil A. Goldenberg. 2012. “Risk Factors for in-Hospital Venous Thromboembolism in Children: A Case-Control Study Employing Diagnostic Validation”. Haematologica 97 (4). Pavia, Italy, 509-15. https://doi.org/10.3324/haematol.2011.054775.