00490oam 2200169z- 450 9910693507103321(CKB)4970000000051911(EXLCZ)99497000000005191120231010c2000uuuu -u- -engSocial security : coverage for medical residentsWashington, D.CSocial SecurityDOCUMENT9910693507103321Social security : coverage for medical residents3180305UNINA