TY - JOUR T1 - Emerging clone of meningococcal bacterium affecting middle-aged and older adults JF - Canadian Family Physician JO - Can Fam Physician SP - 614 LP - 614 VL - 63 IS - 8 A2 - , Y1 - 2017/08/01 UR - http://www.cfp.ca/content/63/8/614.abstract N2 - ER -