Bertha Flett
发表
H J Dean,
T. K. Young,
H. Dean,
2000,
The Journal of pediatrics.
S. Taback,
M. Cheang,
P. Martens,
2002,
Archives of pediatrics & adolescent medicine.
H. Dean,
B. Flett,
C. L. Allan,
2008,
Maternal and Child Health Journal.
T. K. Young,
H. Dean,
B. Flett,
1998,
The Lancet.