TY - JOUR AN - 18 AU - Wardle,J. AU - McCaffery,K. AU - Nadel,M. TI - Socioeconomic differences in cancer screening participation: comparing cognitive and psychosocial explanations. JO - Social Science & Medicine PY - 2004 VL - 59 SP - 249-261 M2 - 249 DO - 10.1016/j.socscimed.2003.10.030 ER -