Baack BR, 1991, J Am Acad Dermatol, 24, 457, 10.1016/0190-9622(91)70073-B
Lokich JJ, 1984, Ann Intern Med, 101, 798, 10.7326/0003-4819-101-6-798
10.1001/archderm.122.9.1023
10.1001/archderm.121.1.102
Silver FS, 1983, Ann Intern Med, 98, 675, 10.7326/0003-4819-98-5-675_2
10.1001/archderm.122.12.1413
10.1016/S0926-9959(96)00607-1
Shall L, 1988, Br J Dermatol, 119, 249, 10.1111/j.1365-2133.1988.tb03208.x