A. Wang, Z. Wang, G. Li, Q. Liu, L. Huang, and J. Jiang , Trans., “What Happens if Someone Doesn’t Clean Male Masturbator? A Study Based on in Vitro Microbial Culture”, J. Med. Life Sci., vol. 1, no. 3, pp. 46–53, May 2025, doi: 10.71222/jx10dm79.