pat_id CouchDB view

{
   "_id": "_design/patient_id",
   "_rev": "1-17546bcc3050ddc486f9daf875bdeef5",
   "language": "javascript",
   "views": {
       "patient_id": {
           "map": "function(doc) {\n  emit(doc.t00100020,{Nombre:doc.t00100010,\"StudyDescription\":doc.t00400254, \"StudyDate\":doc.t00080020, \"StudyIUID\":doc.t0020000D});\n}\n",
           "reduce": "function(keys, values) {\nfor(var k=0;k<1;k++) return values[k];\n}\n"
       }
   }
}