Paternity?
http://www.nomarriage.com/
http://www.nomarriage.com/paternity_test.shtml
The Guardian, 1998-07-14: "More than 25 years ago the consultant obstetrician E E Phillipp reported to a symposium on embryo transfer that blood tests on between 200 and 300 women in a town in the south-east of England revealed that 30 per cent of their children could not have been fathered by the men whose blood groups had also been sampled".
http://www.nomarriage.com/paternity_test.shtml
The Guardian, 1998-07-14: "More than 25 years ago the consultant obstetrician E E Phillipp reported to a symposium on embryo transfer that blood tests on between 200 and 300 women in a town in the south-east of England revealed that 30 per cent of their children could not have been fathered by the men whose blood groups had also been sampled".