V. LAZAR, F. KEVORKIAN, I. CĂPUŞAN, D. AUSLANDER, and E. VERESS, “The passive haemagglutination reaction with sonicated T. pallidum (Nichols strain) in the serodiagnosis of syphilis (TPHA)”, Arch. Acoust., vol. 9, no. 1-2, pp. 117–120, Jul. 2015, Accessed: Apr. 25, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3203