Do You Know About Vitb12 And Folate Testkits?

I am working on my final year project which involves the laboratory investigation of the causes of anaemia in apprently healthy females in nigeria during mentral flow. Please I will love to get ur ideas and comments regarding the above topic with refernce to what is obtainable in your area and most especially information on how I can get the testkits for vitb12 and folate estimatiom because they are rare in my country and I need to carry out the tests on each sample in order to get a conclusive report. Your ideas and comments are most welcomed.