Nuraini, F. R., and N. D. . Muflikhah. “Prevalence of Syphilis Cases Among Blood Donors in Bojonegoro”. Jurnal Ilmu Kesehatan Masyarakat, vol. 13, no. 2, Aug. 2022, pp. 145-5, doi:10.26553/jikm.2022.13.2.145-154.