The World's Most Dangerous Blood Type

Blood types are a 20-million-year mystery

There Are Millions of Blood Types

Rhnull: The Rarest Blood Type on Earth. #GoldenBlood

Scientists discover new group of blood types

Blood Types, Blood Group Systems and Transfusion Rule, Animation

Types Of BLOOD GROUPS | Why Are There Different Blood Groups? | Dr Binocs Show | Peekaboo Kidz

Why do blood types matter? - Natalie S. Hodge

Only 43 people in the world have this blood type | Golden blood | Science Insights | Embibe

BLOOD TYPES - ABO and Rh Blood Group Systems

Scientists convert blood type A into universal donor blood

Golden Blood: All about the rare blood type which has 9 donors in the world | Oneindia News *News

The Most Dangerous BLOOD GROUP on Earth. YOU may Have This!

Compatible blood transfusions

Ask Bloodworks: Why is O Negative Blood So Special?