1. 1. Walker HM, Chauhan PR. Anatomy, head and neck, glabella. 2022 Jul 25. In: StatPearls. Treasure Island (FL): StatPearls Publishing; 2022 Jan-. PMID: 32310453.
2. Respecting upper facial anatomy for treating the glabella with neuromodulators to avoid medial brow ptosis-A refined 3-point injection technique;Cotofana;J Cosmet Dermatol,2021
3. Exaggerated lower frontalis and glabella after Botox injection;Elghblawi;J Cosmet Dermatol,2021
4. Overview of botulinum toxins for aesthetic uses;Gart;Clin Plast Surg,2016
5. Injection necrosis of the glabella: protocol for prevention and treatment after use of dermal fillers;Glaich;Dermatol Surg,2006