D. Maxwell
发表
S. Hughes,
T. D'Arcy,
W. Chiu,
1996,
British journal of obstetrics and gynaecology.
L. Chitty,
D. Maxwell,
T. Clark,
1998,
Prenatal diagnosis.
G. Charles-Edwards,
S. Keevil,
W. Jan,
2010,
Prenatal diagnosis.