title: Methodologic issues in the epidemiology of treatment resistant depression. Contribution to epidemiology.
mesh_terms: D000328:Adult; D000367:Age Factors; D000704:Analysis of Variance; D000928:Antidepressive Agents / Q000627:therapeutic use; D003863:Depression / Q000145:classification / Q000188:drug therapy* / Q000453:epidemiology / Q000628:therapy; D004351:Drug Resistance; D004565:Electroconvulsive Therapy / Q000009:adverse effects; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D044469:Racial Groups; D012737:Sex Factors; D013781:Texas
chemical_list: D000928:Antidepressive Agents