01648nam 2200421 a 450 991070247140332120130110155234.0(CKB)5470000002427453(OCoLC)823870105(EXLCZ)99547000000242745320130110d1981 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierHeadache as the reason for office visits[electronic resource] National ambulatory Medical Care Survey : United States, 1977-78 /by Beulah K. Cypress[Hyattsville, Md.] :[U.S. Dept. of Health and Human Services, Public Health Service, Office of Health Research, Statistics, and Technology],[1981]1 online resource (7 pages) formNCHS advance data ;no. 67DHHS publication ;no. (PHS) 81-1250Title from title screen (viewed Nov. 14, 2012)."January 7, 1981."Includes bibliographical references.Headache as the reason for office visits HeadacheUnited StatesStatisticsUnited StatesStatistics, MedicalStatistics.lcgftHeadacheCypress Beulah K1387834United States.Public Health Service.Office of Health Research, Statistics, and Technology.National Center for Health Statistics (U.S.)GPOGPOBOOK9910702471403321Headache as the reason for office visits3526858UNINA