Explore Chicago Collections
https://explore.chicagocollections.org/records/?f3-types=Archival%20Collections&f5-topics=Work%3A%3AMedicine&f2-topics=Work%3A%3AMarketing&f1-topics=Work%3A%3AMedicine&f4-topics=Work%3A%3AMarketing&f6-topics=Work%3A%3AMedicine