Incidence and risk factors for pulmonary hemorrhage after percutaneous CT-guided pulmonary nodule biopsy: an observational study oleh Chuang He, Ling Zhao, Hua-long Yu, Wei Zhao, Dong Li, Guo-dong Li, Hao Wang, Bin Huo, Qi-ming Huang, Bai-wu Liang, Rong Ding, Zhe Wang, Chen Liu, Liang-yu Deng, Jun-ru Xiong, Xue-quan Huang