TY - JOUR T1 - Effectiveness of follow up-letters to health care providers in triggering follow-up for women with abnormal results on Papanicolaou testing JF - Canadian Medical Association Journal JO - CMAJ SP - 207 LP - 208 VL - 164 IS - 2 AU - Elizabeth Wagner AU - Máire A. Duggan Y1 - 2001/01/23 UR - http://www.cmaj.ca/content/164/2/207.abstract ER -