PT - JOURNAL ARTICLE AU - S. O. Freedman TI - First-line treatment of hayfever: What is the best option? DP - 1997 Apr 15 TA - Canadian Medical Association Journal PG - 1141--1143 VI - 156 IP - 8 4099 - http://www.cmaj.ca/content/156/8/1141.short 4100 - http://www.cmaj.ca/content/156/8/1141.full SO - CMAJ1997 Apr 15; 156