Milbratz-Moré GH, Pauli MP, Lohn CLB, Pereira FJ, Grumann AJ. Lower Eyelid Distraction Test: New Insights on the Reference Value. Ophthalmic Plast Reconstr Surg. 2019 Nov/Dec;35(6):574-577. doi: 10.1097/IOP.0000000000001392. PMID: 30969191.