1. Menstrual cycle vs. stability in schizophrenia? http://forums.psychcentral.com/archive/index.php/t-135074.html
2. Anonymous Does pms normally cause psychosis to become worse? http://www.healthcentral.com/schizophrenia/c/question/396821/119664/
3. Psychotic disorders and gonadal function: evidence supporting the oestrogen hypothesis;Huber;Acta Psychiatr Scand,2004
4. The role of estrogens in schizophrenia gender differences;Seeman;Schizophr Bull,1990
5. Sex hormones in psychotic men;Huber;Psychoneuroendocrinology,2005