Ultrasound-Guided Botulinum Toxin-A Injections into the Masseter Muscle for Both Medical and Aesthetic Purposes. - Popescu, Marius Nicolae; Beiu, Cristina; Iliescu, Carmen Andrada; Racoviță, Andreea; Berteanu, Mihai; Iliescu, Mădălina Gabriela; Stănescu, Ana Maria Alexandra; Radaschin, Diana Sabina; Popa, Liliana Gabriela (Toxins, 2024)