Bacaksiz A., Erdogan E., Tasal A., Akif Vatankulu M., Kul S., Sevgili E., Ertas G., Dizman D., Onsun N., and Uysal O. “Electrocardiographic P-Wave Characteristics in Patients With Psoriasis Vulgaris”. Upsala Journal of Medical Sciences, vol. 118, no. 1, Nov. 2012, doi:10.3109/03009734.2012.744372.