TY - RPRT TI - Appropriate measures of influenza immunization program effectiveness. AU - Jeffrey C Kwong AU - Thérèse A Stukel AU - Allison J McGeer AU - Douglas G Manuel PY - 2006 DO - 10.1016/j.vaccine.2006.09.080 UR - https://pubmed.ncbi.nlm.nih.gov/17052813/ ID - 17052813 ER -