Lactase persistence genotypes and malaria susceptibility in Fulani of Mali: Review!

There seems to be a trend amongst 'western' geneticists, to cite third party (not of their own) sources to bolster theories that cannot be sufficiently explained by their own findings. This often leads to the referencing of sources that concern samples of geographic specifics, and possibly, sample sizes that are distinct from those of the research group doing the citing [of the foreign source],