A nomogram to distinguish noncardiac chest pain based on cardiopulmonary exercise testing in cardiology clinic. - Mingyu Xu; Rui Li; Bingqing Bai; Yuting Liu; Haofeng Zhou; Yingxue Liao; Fengyao Liu; Peihua Cao; Qingshan Geng; Huan Ma (BMC Medical Informatics Decis. Mak., 2024)