Rzany, B., Ascher, B., Avelar, R. L., Bergdahl, J., Bertucci, V., Bodokh, I., Carruthers, J. A., Cartier, H., Delmar, H., Denfeld, R., Gross, J. E., Heckmann, M., Hedén, P., Hilton, S., Inglefield, C., Ogilvie, P., Sattler, G., Sebastian, M., Solish, N., Swift, A., & Trévidic, P. (2020). a Multicenter, Randomized, Double-Blind, Placebo-Controlled, Single-Dose, Phase III, Non-Inferiority Study Comparing PrabotulinumtoxinA and OnabotulinumtoxinA for the Treatment of Moderate to Severe Glabellar Lines in Adult Patients. Aesthetic surgery journal, 40, 413–429. http://access.bl.uk/ark:/81055/vdc_100116968588.0x000028