TY  - JOUR
A1  - Yang, Q.
A1  - Wen, S.W.
A1  - Leader, A.
A1  - Chen, X.K.
A1  - Lipson, J.
A1  - Walker, M.
T1  - Paternal age and birth defects: How strong is the association?
Y1  - 2007
DO  - 10.1093/humrep/del453
JF  - Human Reproduction
VL  - 22
IS  - 3
SP  - 696
EP  - -701

ER  -