1. Correlation between reduced in vivo benzodiazepine receptor binding and severity of psychotic symptoms in schizophrenia;Busatto;Am J Psychiatry,1997
2. Multiple testing of hypotheses in comparing two groups;Cupples;Ann Intern Med,1984
3. Johnson RA, Wichern DW (1992): Applied Multivariate Statistical Analysis, 3rd ed. Englewood Cliffs, NJ: Prentice Hall, pp 356–395, 459–492.
4. Clinical Trials. Design, Conduct and Analysis;Meinert,1986
5. Morrison DF (1976): Multivariate Statistical Methods, 2nd ed. New York: McGraw-Hill, pp 32–36, 111–116, 128–141, 230–245.