Tekyol, D., Akbas, I., Dogruyol, S., Kocak, A.O. and Çakır, Z. 2022. Topical lidocaine anesthesia for nasopharyngeal sampling – a double-blind randomized placebo-controlled trial. European Journal of Clinical and Experimental Medicine. 20, 1 (Mar. 2022), 56–62. DOI:https://doi.org/10.15584/ejcem.2022.1.8.