의료보험 국민건강보험공단 대구수성지�?주소 전화번호 팩스번호 주차 수성구 If a grammatical basic principle that is definitely extra to 서툴�?is a vowel �?and there is no other alternative apart from a vowel �?then that grammatical theory cannot be added to 서툴�? = That particular person, based