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Validity of parental work information on the birth certificate
Validity parental work information birth certificate
2008/11/28
In the most recent revision (2003) of the U.S. standard certificate of live births, the National Center for Health Statistics recommended that all states collect maternal and paternal usual occupation...
Validity of self reported male balding patterns in epidemiological studies
Validity self reported male balding patterns epidemiological studies
2008/11/28
Background
Several studies have investigated the association between male pattern baldness and disease such as prostate cancer and cardiovascular disease. Limitations in the lack of standardized in...