title: Acne Venenata Due to Butter.
abstract: Multiple acne comedones and papules arranged in a linear pattern on the cutaneous margins of the vermilion surface of the upper lip developed in a 12 - year old girl. This is attributed to the topical application of butter to relieve the chapping of the lips.
authors.forename: K
authors.initials: K
authors.lastname: Pavithran