Azzopardi EA, Whitaker IS, Rozen WM, Naderi N, Kon M (octombrie 2011). „Chemical and mechanical alternatives to leech therapy: a systematic review and critical appraisal”. Journal of Reconstructive Microsurgery. 27 (8): 481–6. doi:10.1055/s-0031-1284233. PMID21780018.
Azzopardi EA, Whitaker IS, Rozen WM, Naderi N, Kon M (octombrie 2011). „Chemical and mechanical alternatives to leech therapy: a systematic review and critical appraisal”. Journal of Reconstructive Microsurgery. 27 (8): 481–6. doi:10.1055/s-0031-1284233. PMID21780018.