Association between body roundness index and female infertility: a cross-sectional study of NHANES 2013–2018 - Li, Haiyan; OuYang, Zhenbo; Ding, Ziyao; Hu, Xianyue; Bao, Yanjing; Gao, Tianyang; Hua, Wenfeng (Frontiers in Nutrition, 2024)