[Experiences with "Pergalen" ointment in ambulatory industrial medicine practice].
D006801:Humans; D007221:Industry; D009525:Niacin; D009539:Nicotinic Acids; D009787:Occupational Medicine; D009824:Ointments
D009539:Nicotinic Acids; D009824:Ointments; D009525:Niacin
INDUSTRIAL MEDICINE; NICOTINIC ACID