Nicotinamide content of some normal and malignant tissues; the apparent absence of niacin in epidermis.
D004817:Epidermis; D009369:Neoplasms / Q000378:metabolism*; D009525:Niacin / Q000031:analogs & derivatives; D009536:Niacinamide; D009539:Nicotinic Acids
D009539:Nicotinic Acids; D009536:Niacinamide; D009525:Niacin
NEOPLASMS/metabolism; NICOTINIC ACID/derivatives