In 231 herds, the answer to the question on occurrence of problems related to circovirus was "no".
This is easily calculated if we have a specific study population followed for answering the question on occurrence of occupational asthma, but needs more consideration when using existing population registries.
Whereas most of the studies addressing the question of Bti occurrence in the environment deal with soil or water samples, we focused on decaying leaf litter, the natural habitat of mosquito larvae.
An important part of the argument centers on the question of the occurrence of the virus in wild birds without obvious illness, which can be difficult to interpret given the low prevalence of influenza.
To further explore the question of co-occurrence of AP-1-binding sites, the frequency of AP-1 sites in phylogenetically conserved domains was also examined.
Statistical criteria indicate that morpheme overlaps are rare events in genomic DNA, raising the question of whether occurrences of overlapping morphemes could play a role in cellular functions regulated by MLL1.
Third are questions of disease occurrence, prevention, and treatment, which must be addressed with epidemiology and clinical trials.
First, a HFIAS score variable was calculated for each household by summing the codes of each frequency-of-occurrence question.
To extend in time our knowledge of the seismic activity, we conducted paleoseismic investigations in the Roer Graben to address the question of the possible occurrence of large earthquakes with coseismic surface ruptures.
Heinzerling et al. analyzed 51 distinct clinicopathological parameters addressing the question of metachronous metastasis occurrence [ 16].
