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Subjects
- L'Oréal (Firm)1
- LaBelle, Patti.1
- Labor Pain1
- Laboratories37
- Laboratory Chemicals -- poisoning1
- Laboratory Personnel6
- Laennec, Théophile-Ambroise.1
- Laird, Melvin R.2
- Laparoscopy1
- Larva2
- Laryngeal Neoplasms -- etiology1
- Lasker, Mary.1
- Latex1
- Latin America4
- Law Enforcement7
- Laxatives1
- Lead Poisoning -- prevention & control1
- Leake, Chauncey Depew, 1896-1978.2
- Learning1
- Learning -- physiology1