link.springer.com Amirzadeh, S., Mirzaee, M., Sharifi, H. et al. Condom Use by Female Sex Workers: A Nationwide Survey in Iran. Sexuality & Culture 24, 2032–2044 (2020). https://doi.org/10.1007/s12119-020-09734-4 性感染症予防研究の立場から…