He made an effort to isolate cells from lymph nodes for his experiment although the purity of lymphocytes was tough and extremely hard to be received in ample quantities. Thus, he switched to leucocytes, exactly where he received them from the pus on gathered surgical bandages. QIAamp MinElute Virus Kits https://www.facebook.com/NewTechFind/posts/pfbid02zCSaBojkwdPZirmCzYHUpC1qYLYUg5nDbzAqQhhS36KmY1Vq5NYrmaTsxfHWLSial