共 50 条
- [7] A cross-sectional survey of internet use among university students European Archives of Psychiatry and Clinical Neuroscience, 2021, 271 : 975 - 986
- [10] Cannabis use of patients with inflammatory bowel disease in Germany: a cross-sectional survey ZEITSCHRIFT FUR GASTROENTEROLOGIE, 2021, 59 (10): : 1068 - 1077