Search:
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Rh factor
1942, from the first letters of
rhesus
; so called because the blood group, and its effects, were discovered in the blood of rhesus monkeys (1941).
