Is it necessary to request testing for antibodies against extractable nuclear antigens in case of antinuclear antibody negativity?​Emrah Salman Bedia Dinç a Department of Immunology, Ankara Bilkent City Hospital, Ankara, Turkeyb Department of Microbiology, Ankara Bilkent City Hospital, Ankara, Turkeyon August 11, 2025 at 4:38 am