共 50 条
- [3] Oral anticoagulants and risk of dementia: A systematic review and meta analysis of observational studies and randomized controlled trials [J]. NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS, 2019, 96 : 1 - 9
- [5] Observational Studies Are Complementary to Randomized Controlled Trials [J]. NEPHRON CLINICAL PRACTICE, 2010, 114 (03): : C173 - C177
- [6] From Randomized Controlled Trials to Observational Studies [J]. AMERICAN JOURNAL OF MEDICINE, 2009, 122 (02): : 114 - 120