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Subclass RL
| RL1-803 | Dermatology | |
| RL87-94 | Care and hygiene | |
| RL95 | Pathological anatomy | |
| RL110-120 | Therapeutics | |
| RL130-169 | Diseases of the glands, hair, nails | |
| RL201-331 | Hyperemias, inflammations, and infections of the skin | |
| RL391-489 | Atrophies. Hypertrophies | |
| RL675 | Chronic ulcer of the skin. Bedsores | |
| RL701-751 | Diseases due to psychosomatic and nerve disorders. Dermatoneuroses | |
| RL760-785 | Diseases due to parasites | |
| RL790 | Pigmentations. Albinism | |
| RL793 | Congenital disorders of the skin. Nevi. Moles | |
