HomePromatric IgG, IgA is.. Passive and natural publisher :NIL NAM -March 25, 2017 IgG, IgA is: a- active and acquired b- Active and natural c- Passive and acquired D- Passive and natural *** Labels Promatric Facebook Twitter Share:IgG, IgA is.. Passive and natural Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email