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Subjects
- Lancaster (Pa.). Board of Health.1
- Laughter -- psychology1
- Law Enforcement1
- Law Enforcement -- methods1
- Lead -- toxicity1
- Lead Poisoning1
- Legislation as Topic1
- Legislation, Hospital1
- Legislation, Medical3
- Letterman General Hospital (San Francisco, Calif.)1
- Librarians1
- Libraries2
- Libraries -- organization & administration1
- Libraries, Medical2
- Library of the Surgeon-General's Office (U.S.)3
- Licensure1
- Licensure, Medical -- legislation & jurisprudence2
- Liniments -- administration & dosage1
- Lipreading1
- Literature1