This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Dental
Goekarman regimen used in for treatment of psoriasis is? 
Select and explain. 
A. UVB plus coal tar, B. UVB plus anthralin, C. Coal tar plus anthralin, D. UVB plus methotrexate
A: UVB plus coal tar
Answer: A: UVB plus coal tar 
Explanation: Goekerman regimen was invented for the treatment of mild to moderate psoriasis. In this therapy application of crude coal tar application for 2-10 hours is followed by exposure to UVB light. Treatment is now obsolete. Similarly UVB plus anthralin combination is known as Ingram regimen. Ref : Thomas b Habif 6th Ed.