Table 2.

Examples of parsing of complex MedDRA terms using different rules.

Input : MedDRA complex term	Selected Rule	Output : result of the decomposition
“Ear and labyrinth disorders”	(A AND B).q	“ear disorders” “labyrinth disorders”
“Manic and bipolar mood disorders and disturbances”	((A AND B).q).(C AND D)	“manic mood disorders” “bipolar mood disorders” “manic mood disturbances” “bipolar mood disturbances”
“Blood and lymphatic system disorders”	(A AND B).q	“blood system disorders” “lymphatic system disorders”