Mastronikolis, N. S., Remacle, M., Biagini, M., Kiagiadaki, D., & Lawson, G. (2013). Wendler glottoplasty: An effective pitch raising surgery in male-to-female transsexuals. The Journal of Voice, 27(4), 516-522. https://doi.org/10.1016/j.jvoice.2013.04.004 (Original work published 2013)