If I am looking for mutations among blood samples by using PCR tech. and specific primers. What can I call this type of study?

Hi Waggas, search for PCR Genotyping in the ScientistSolutions search.

This article might also be interesting: Genotyping with PCR http://www.the-scientist.com/article/home/53235/

alot of thanks for yr caring, but I mean the TYPE of study.
that is to say : analytical, cross sectional ....etc