Piñeiro, Luis, Magnus Unemo, and Gustavo Cilla. 2011. “Absence of Swedish New Variant Chlamydia Trachomatis (nvCT) and C. Trachomatis Genotype Distribution in Gipuzkoa, Spain, 2009–2010”. Acta Dermato-Venereologica 92 (2):185-86. https://doi.org/10.2340/00015555-1234.