Why does the frontalis muscle "never come back"? Functional organization of the mimic musculature.

Stennert, E. (1994). Why does the frontalis muscle “never come back”? Functional organization of the mimic musculature. European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery. https://doi.org/10.1007/978-3-642-85090-5_25