Table 1.

Medline search strategy

#	Search strategy	Results
1	exp *stress disorders, post-traumatic/ or (PTSD or ((posttraumatic or post traumatic or combat or war or trauma*) adj1 (stress* or neurosis or neuroses or nightmare*)) or ((traumatic or acute) adj (stress disorder* or stress symptom*)) or shell shock* or shellshock*).mp	46,596
2	exp obsessive-compulsive disorder/ or bipolar disorder/	54,776
3	(Bipolar or bi-polar or manic-depress* or mania or obsessive-compulsive disorder* or OCD).mp	102,961
4	1 or 2 or 3	147,991
5	Transcranial magnetic stimulation/	11,653
6	(repetitive transcranial magnetic stimulation or rTMS).mp	5,423
7	5 or 6	13,372
8	4 and 7	492