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relationship between the levels
The objective of this study was to establish the potential relationship between the levels of various metals in hair and cognitive functions in children living in zones of Tarragona (Catalonia, Spain) with different metal pollution levels.
      
There is a log-linear relationship between the levels of signal obtained in the ISH reaction in 96-well microplates and the EPO protein levels measured by enzyme-linked immunosorbent assay (ELISA).
      
Because the time of sampling can vary the relationship between the levels of MA to PGA the total concentration of the excreted metabolites depends less on this influence and is therefore better suited for monitoring exposed persons.
      
- There is a strong relationship between the levels of a drug in the blood and in the saliva.
      
There was an inverse relationship between the levels of PCDD/Fs and microbial biomass as measured by direct cell counting and quinone profiling.
      
We investigated a possible relationship between the levels of reactive oxygen species (ROS) and the stimulation of frond division of the aquatic plant Spirodela polyrrhiza (duckweed) during a 7-day experimental culture period.
      
Relationship between the levels of wheat-rye metaphase I chromosomal pairing and recombination revealed by GISH
      
In lead-exposed workers many factors affect the relationship between the levels of lead and of zinc protoporphyrin (ZPP) in blood.
      
The relationship between the levels of gonadotropins and the presence of membranous whorls is discussed.
      
The relationship between the levels of immunoglobulin and C3 and the frequency of peritonitis was investigated.
      
There was no inter-relationship between the levels of the two ions.
      
There was no apparent relationship between the levels of copper and ceruloplasmin, though no statistical tests were applied.
      
No definite relationship between the levels of mercury and pesticides or PCB's was noted.
      
No definite relationship between the levels of mercury and pesticides or PCB's was noted.
      
Relationship between the levels of MHC class 1 antigen expressed on tumour cells and their susceptibility to allogenic and xenogenic NK cells was investigated.
      
A linear relationship between the levels of diphenyl hydantoin and creatinine was observed.
      
Thus, we studied the relationship between the levels of carboxylterminal PTH (C-PTH), midportion PTH (M-PTH) and intact PTH, and the weight of the parathyroid glands resected for secondary hyperparathyroidism.
      
The relationship between the levels of dissolved selenium species and the occurance of algal blooms in this lake was studied.
      
This seems to suggest, although indirectly, the existence of a relationship between the levels of PF and the degree of large vessel involvement.
      
In the liver cells there were a relationship between the levels of DNA damage and the consumption of AFB1 in all studied groups.
      
 

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