Diagnostic values of endoscopic ultrasound⁃guided fine⁃needle aspiration cytology combined with histopa⁃ thology for pancreatic space occupying lesions 
ZHAO Yuan, NIE Yanhong, ZHAO Yonggang, ZHANG Chun⁃ fang, ZHANG Zhihong.
The Journal of Practical Medicine . 2023, (7): 899 -903 .  DOI: 10.3969/j.issn.1006⁃5725.2023.07.019