title:Exogenous DNA uptake of boar spermatozoa by a magnetic nanoparticle vector system 9 a! c2 o" v$ ?. x2 V: }http://www.ncbi.nlm.nih.gov/pubmed/19788517$ I8 U2 U5 G# e4 v
http://onlinelibrary.wiley.com/doi/10.1111/j.1439-0531.2009.01516.x/abstract