Domestication has been investigated using comparative morphology, biogeography, archeology, and numerous independent sources of genetic data ranging from chromosome number to gene sequences to complete genomes to ancient DNA.
The phylogeny of numerous angiosperms has been investigated using the internal transcribed spacer (ITS) region (Baldwin et al. 1995).
The evolutionary relationships among numerous P. syringae pathovars (but not including Pae) have previously been investigated using the concatenated sequences of seven housekeeping genes [17].
Statistical relationships between metabolite concentrations and clinical cognitive variables were investigated using parametric partial correlations correcting for numerous known confounds including age and CSF and WM volumes within the MRS voxel.
Non-linearity was investigated using quadratic terms.
Metabolic stability was investigated using radio-HPLC.
The motivations of dental students for their studies have largely been investigated in numerous countries using psychometric questionnaires.
Pharmacologically induced changes in the MMN have been investigated in numerous studies, using a variety of drugs affecting different neurotransmitter systems.
Hence, a combination chemotherapy of 5-FU with oxaliplatin has been investigated in numerous phase II studies, using different doses and schedules [ 3- 7].
Numerous other methods and techniques have also been investigated to use for E&P portfolio selection.
