PT - JOURNAL ARTICLE AU - Paavonen, J TI - Is screening for Chlamydia trachomatis infection cost effective? AID - 10.1136/sti.73.2.103 DP - 1997 Apr 01 TA - Genitourinary Medicine PG - 103--104 VI - 73 IP - 2 4099 - http://sti.bmj.com/content/73/2/103.short 4100 - http://sti.bmj.com/content/73/2/103.full SO - Genitourin Med1997 Apr 01; 73