TY - JOUR T1 - Antihistamines for allergic rhinosinusitis JF - Canadian Family Physician JO - Can Fam Physician SP - 670 LP - 670 DO - 10.46747/cfp.6809670 VL - 68 IS - 9 AU - Betsy Thomas AU - Anthony Train AU - G. Michael Allan Y1 - 2022/09/01 UR - http://www.cfp.ca/content/68/9/670.abstract N2 - ER -