Sentence examples for between nitrate levels in from inspiring English sources
To our knowledge, this is the first study to examine the relationship between nitrate levels in CWSs and social disparities in theUnited States.
Studies that have examined the relationship between nitrate levels in drinking water and MetHb levels in infants have produced mixed results (U.S. EPA 1991).
Our results provide limited support for an association between nitrate levels in private wells and subclinical hypothyroidism among women but not men.
A positive correlation (Spearman's correlation rho = 0.82, p < 0.0001, n = 278) was observed between nitrate levels in the water samples collected at 36 weeks and postpartum.
In Spain, there was a positive correlation between nitrate levels in public supplies and prostate cancer mortality, but no relation with bladder and colon cancer (Morales-Suarez-Varela et al. 1995).
However, a Canadian population exposed to nitrate below the acceptable daily intake level showed no relationship between nitrate levels in drinking water and urinary nitrosamines (Levallois et al. 2000).
First, Zeman et al.'s Figure 2 shows an apparent relationship between nitrate level in wells (parts per million) and "nitrate" (this is presumably nitrite, as described in the figure legend and Zeman's letter) exposure in milligrams per kilogram per day.
* Correlation (Spearman's rho) between nitrate levels measured in tap water of individual residences and selected summary measures for that home estimated using public water quality monitoring data and geographic information systems (GIS).
Percent agreement = 56% We used generalized linear regression to assess the association between estimated nitrate levels in well water and continuous TSH measures.
The relationship between nitrate levels and borehole intake depths was investigated since there was concern that the observed contrasts in nitrate levels between vulnerability categories might be reflecting differences in borehole intake depths and not actual vulnerability.
However, there appeared to be no linear relationship between nitrate levels and the mass (Table 1).
