User:Niohe/scratch/Yuan (surname)

Keywords:

I am asking because, there may be a conflict of interest.

Impeccable credetials, I guess, and I am not competent to comment on numerical analysis. But neither of the two authors are historians.

A couple of red flags.

Red flag: I note that there is very little mention of any other scholarship on historical population in China.

I see a red flag coming up where the authors. A random check reveals almost any surname has the following distribution for blood groups: 30 per cent each for A, B and O and around 10 for AB. What is proven here? Is this

I suggest that all references to this source be deleted.