TY  - GEN
AU  - Liu,Ying
TI  - National Health and Nutrition Examination Survey 1999-2000: effect of observer training and protocol standardization on reducing blood pressure measurement error
SN  - 0895-4356
PY  - 2004///0928
KW  - Bias
KW  - Blood Pressure Determination
KW  - standards
KW  - Education, Continuing
KW  - Health Surveys
KW  - Humans
KW  - Nutrition Surveys
N1  - Publication Type: Letter; Comment
UR  - https://doi.org/10.1016/j.jclinepi.2004.02.001
ER  -