title: When the evidence is weak, caution should be applied.
mesh_terms: D000911:Antibodies, Monoclonal / Q000627:therapeutic use*; D061067:Antibodies, Monoclonal, Humanized; D000970:Antineoplastic Agents / Q000627:therapeutic use*; D000068258:Bevacizumab; D001943:Breast Neoplasms / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D017277:Drug Approval; D019317:Evidence-Based Medicine; D005260:Female; D006801:Humans
chemical_list: D000911:Antibodies, Monoclonal; D061067:Antibodies, Monoclonal, Humanized; D000970:Antineoplastic Agents; D000068258:Bevacizumab