A Long, Sometimes Wearisome Job: Dr. Thomas Francis, Jr., leans somewhat wearily on one of the file drawers containing statistical medical information on the nearly 2,000,000 children involved in the Salk polio evaluation study, which Dr. Francis heads. The files are kept in the University's old Maternity Hospital. Two children of Dr. Jonas Salk of Pittsburgh, originator of the vaccine, were born in the Maternity Hospital where the study is now being carried on.
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