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Subjects
- Labor Pain -- drug therapy1
- Labor, Induced1
- Labor, Obstetric1
- Laboratories2
- Laboratory Personnel8
- Ladies' Union Association of Philadelphia.1
- Lawyers1
- Leek Island Military Hospital.1
- Letz, Frederick.1
- Liberia1
- Librarians4
- Libraries, Medical19
- Library Automation7
- Library Materials18
- Library Technical Services6
- Licensure1
- Life Expectancy1
- Lincoln School for Nurses.1
- Liniments1
- Local Government2