Rh Blood Group System

The second major blood grouping system is the Rhesus (Rh) system. Philip Levine, in 1939, discovered that the sera of most women who gave birth to infants with hemolytic disease … Read more

What is Immunology?


What is Immunology? Immunology is the study of how the body responds to foreign substances and fights off infection and other disease. Immunologists study the molecules, cells, and organs of … Read more