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The effect of using different reference dates for control exposure measurement on relative risk estimates in a case-control study
(1993-05)
In case-control studies in which case and control enrollment periods are not identical, exposure status for time-dependent variables is often measured relative to a reference date. Using data from a case-control study of ...
The effect of using different reference dates for control exposure measurement on relative risk estimates in a case-control study
(1993-05)
In case-control studies in which case and control enrollment periods are not identical, exposure status for time-dependent variables is often measured relative to a reference date. Using data from a case-control study of ...
Risco de desenvolvimento de Melanoma em pacientes portadores de Nevo Melanocítico Congênito Gigante
(Universidade Federal de Minas GeraisUFMG, 2012-02-27)
BACKGROUND: Large congenital melanocytic nevus is defined as a melanocytic lesion present at birth that will reach a diameter 20 cm in adulthood. Its incidence is estimated in <1:20,000 newborns. Although it is recognized ...
Utility of inline milk fat and protein ratio to diagnose subclinical ketosis and to assign propylene glycol treatment in lactating dairy cows
(2015)
The objective was to identify a fat-to-protein ratio (FPR) cut-off to diagnose subclinical ketosis (SCK) and to evaluate the effect of propylene glycol (PPG) treatment of cows with high FPR. The optimized cut-off was > ...
Utility of inline milk fat and protein ratio to diagnose subclinical ketosis and to assign propylene glycol treatment in lactating dairy cows
(Canadian Vet Med Assoc, 2015-08-01)
The objective was to identify a fat-to-protein ratio (FPR) cut-off to diagnose subclinical ketosis (SCK) and to evaluate the effect of propylene glycol (PPG) treatment of cows with high FPR. The optimized cut-off was > ...
Estimation of the numbers and rates of out-of-school children and adolescents using administrative and household survey data
(UNESCO, 2016-10)
In the last decade or so, education data from household surveys have been used to complement, supplement and sometimes even substitute for country administrative data on participation and non-participation in schooling. ...
Estimation of the numbers and rates of out-of-school children and adolescents using administrative and household survey data
(UNESCO, 2016-10)
In the last decade or so, education data from household surveys have been used to complement, supplement and sometimes even substitute for country administrative data on participation and non-participation in schooling. ...