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Systematic reviews Some examples Knipschild PBMJ 1994[Sep]; 309 (6956): 719-21Reviewing the literature is a scientific inquiry that needs a clear design to preclude bias. It is a real enterprise if one aims at completeness of the literature on a certain subject. Going through refereed English language journals is not enough. On line databases are helpful, but mainly as a starting point. This article gives examples of systematic reviews on vitamin C and the common cold, pyridoxine against the premenstrual syndrome, homeopathy, and physiotherapy.|*Review Literature as Topic[MESH]|Ascorbic Acid[MESH]|Clinical Trials as Topic[MESH]|Common Cold/prevention & control[MESH]|Complementary Therapies[MESH]|Databases, Bibliographic[MESH]|Humans[MESH]|Information Storage and Retrieval[MESH]|MEDLINE[MESH]|Physical Therapy Modalities[MESH] |
