PT - JOURNAL ARTICLE AU - Williams, F L AU - Lloyd, O L AU - Ogston, S A TI - Offspring sex ratios as an index of pollution hazard in residential environments. AID - 10.1136/oem.52.9.622 DP - 1995 Sep 01 TA - Occupational and Environmental Medicine PG - 622--622 VI - 52 IP - 9 4099 - http://oem.bmj.com/content/52/9/622.short 4100 - http://oem.bmj.com/content/52/9/622.full SO - Occup Environ Med1995 Sep 01; 52