Nicotinic acid and ethyl nicotinate in excised human skin. Percutaneous abosorption.
D006801:Humans; D009525:Niacin; D009539:Nicotinic Acids; D012867:Skin
D009539:Nicotinic Acids; D009525:Niacin; C037328:ethylnicotinate
NICOTINIC ACID; SKIN