About this page

Our systems have detected unusual traffic from your computer network. This page checks to see if it's really you sending the requests, and not a robot. Why did this happen?

IP address: 3.236.139.73
Time: 2024-03-28T22:40:42Z
URL: http://scholar.google.com/scholar_lookup?title=Grouped+variations+in+the+occurrence+of+new+protein+components+in+normal+human+serum&year=1955&author=Smithies&journal=Nature&volume=175&issue=4450&pages=307-308&doi=10.1038%2F175307a0&pmid=13235885