Taipei Medical University
A
B
C
D
E
F
G
H
I
J
K
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M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
*
Prolonged second stage
6622
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
*
