Published On Jul 1, 2013
The Lewis Blood Group System can be confusing, but it really CAN be fun! This video from 2013 describes the details of the Lewis System in ways that will hopefully make them more memorable and entertaining.
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The Lewis Blood Group System can be confusing, but it really CAN be fun! This video from 2013 describes the details of the Lewis System in ways that will hopefully make them more memorable and entertaining.