RT Journal T1 CLaims of sex-gene interactions—reply JF JAMA JO JAMA YR 2007 FD December 19 VO 298 IS 23 SP 2741 OP 2742 DO 10.1001/jama.298.23.2742 UL http://dx.doi.org/10.1001/jama.298.23.2742 AB