题名 | Effects of aspirin and acetaminophen in gastrointestinal hemorrhage. Results from the Boston Collaborative Drug Surveillance Program. |
链接 | http://www.ncbi.nlm.nih.gov/pubmed/?term=Effects+of+aspirin+and+acetaminophen+in+gastrointestinal+hemorrhage.+Results+from+the+Boston+Collaborative+Drug+Surveillance+Program. |
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