Hypotheses to explain biased sex ratios in humans include those relating levels of testosterone to offspring sex ratios [39], [32].
More ecological studies are needed, relating levels of insecticide resistance with the genotypic composition at the kdr locus and with the analysis of other resistance mechanisms (e.g. metabolic, behavioral), particularly for the West-Central African region.
An inherent problem in comparisons of photosynthetic proteins between plants grown under different conditions is in quantitatively relating levels of these proteins between them.
A single piecewise linear model relating levels of urinary TCPy and RBC AChE was fit to each set using nonlinear least squares (Bacon and Watts 1971).
The responsibility for this mess rests with David Cameron and George Osborne pushing for 60-year-old firefighters to still be running into burning buildings when, because of naturally declining fitness, most won't be able to meet the safety related level of aerobic fitness.
The cell cycle related level of expression was also seen in the transformed cells.
Models that relate levels of lake productivity to levels of nutrient input or loading have been useful in controlling eutrophication in many temperate freshwater lakes.
Chen et al. (2014) adopted designs that relate levels of cognitive development and motor performance in DS individuals and concluded a strong correlation between cognition and motor performance.
To identify aldosterone and precursors in ovarian follicles and to relate levels of mineralocorticoids to previously described renin-angiotensin system follicular fluid content.
The time related levels of PBDEs (Fig. 1) therefore seems to reflect a real and substantial increase.
Similarly, anxiety has been shown to be related levels of oral corticosteroid prescribing in near-fatal asthma patients [ 11].
