Risk assessment of malignancy in solitary pulmonary nodules in lung computed tomography: a multivariable predictive model study oleh Hai-Yang Liu, Xing-Ru Zhao, Meng Chi, Xiang-Song Cheng, Zi-Qi Wang, Zhi-Wei Xu, Yong-Li Li, Rui Yang, Yong-Jun Wu, Xiao-Ju Zhang, Pei-Fang Wei