1. Pharmacists and immunization: Increasing involvement over a century;Grabenstein;Pharm Hist,1999
2. Biological products and retail druggists;H.K. Mulford Company;Am Druggist,1921
3. Druggists distributors for board of health;Pharm Era,1904
4. Illinois State Board of Health;Pharm Era,1905
5. The sale of biologics;Bowman;J Am Pharm Assoc,1915