TAG ABO is the first multiple-configuration tag for ABO and Rh (+/-) identification. You can set your personal blood type information just by threading the cord through one of the eight predominant groups. Wearing it as a necklace or attaching it to personal belongings you will allow others to identify your blood type group in case of emergency. Doctors always will verify your blood type before a transfusion unless it is a critical situation and you wear a blood type ID.
TAG ABO – Blood Type Necklace
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Discovered on Jun 20, 2016, 3:51 pm EDT
Discovered by Weston Lanpher