RETRACTION - In Vitro Derivation of Human Sperm from Embryonic Stem Cells.
This article, "In Vitro Derivation of Human Sperm from Embryonic Stem Cells," is being retracted from Stem Cells and Development.    Further details will follow online, and in a subsequent issue of the Journal.
Nayernia
Karim
K
NESCI/Institute of Human Genetics, Newcastle University, United Kingdom;  karim.nayernia@ncl.ac.uk.
Lee
Jae Ho
JH
Lako
Majlinda
M
Armstrong
Lyle
L
Herbert
Mary
M
Li
Manyu
M
Engel
Wolfgang
W
Elliott
David
D
Stojkovic
Miodrag
M
Parrington
John
J
Murdoch
Alison
A
Strachan
Tom
T
Zhang
Xin
X