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Blood pressure levels and hypertension in persons ages 6-74 years, United States, 1976-80

Rowland, Michael, 1945-
[Hyattsville, Md.] : [U.S. Dept. of Health and Human Services, Public Health Service, National Center for Health Statistics], [1982] 1982

Investigation of nonresponse bias : Hispanic health and nutrition examination survey.

Rowland, Michael, 1945-
Hyattsville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Center for Health Statistics, [1993] 1993