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Subjects
- Labor Pain1
- Laboratories2
- Laboratory Personnel1
- Lasker, Mary.1
- Lavelle, James I., 1909-1
- Legislation as Topic1
- Legislation, Drug2
- Legislation, Food1
- Leprosy1
- Leukemia -- drug therapy1
- Libraries, Medical5
- Library Administration1
- Lobbying1
- Louisiana1
- Lung Diseases, Obstructive1
- Lysergic Acid Diethylamide -- adverse effects1