Related by context. Frequent words. (Click for all words.) 60 reanalyzed 56 analyzed 54 isotope ratios 54 elemental composition 54 reanalysis 54 phylogenetic analysis 53 geochemists 53 microfossils 52 mass spectroscopy 52 caustic fusion 52 oxygen isotope 51 radiocarbon dated 51 isotopic 50 isotopic composition 50 infrared spectroscopy 50 Geochemical 50 Toxicological 50 ppm uranium 50 NHANES III 50 genetic polymorphisms 49 scanning electron microscopy 49 immunohistochemical 49 Urine samples 49 metabolomic 49 liquid chromatography mass spectrometry 49 x ray diffraction 49 spectrometry 49 Mineralogical 49 variography 49 magnetic resonance spectroscopy 49 radiocarbon dating 48 numerical simulations 48 quantitative PCR 48 radiocarbon 48 radiocarbon dates 48 sediment samples 48 X ray diffraction 48 stable isotope 48 MR spectroscopy 48 neuroimaging studies 47 magnetic susceptibility 47 Geochemistry 47 quantitative measurements 47 samples 47 X ray fluorescence 47 randomized controlled clinical trials 47 serum samples 47 Willerslev 47 meta analysis 47 spectroscopic 47 Linköping University 47 petrology 47 geochemical analyzes 47 biogeochemistry 47 methylation patterns 47 serum calcium 47 univariate 47 Tissue samples 47 sediment cores 47 vitro experiments 47 Biophysical 46 Preliminary metallurgical 46 WADA accredited laboratory 46 epidemiological studies 46 sensitivity specificity 46 transmission electron microscopy 46 spatial scales 46 situ hybridization 46 tissue biopsies 46 histopathological 46 colorimetric 46 genotoxicity 46 starch grains 46 oxygen isotopes 46 theoretical calculations 45 geostatistical 45 eU#O# 45 tissue samples 45 reanalyzing 45 genomic sequence 45 ALH# 45 serum vitamin D 45 histopathology 45 acute toxicity 45 Observational studies 45 serological 45 Anomalous 45 reanalyze 45 accredited laboratory 45 gene expression profiles 45 multivariate analyzes 45 genetic markers 45 Epidemiological studies 45 #ppb [003] 45 retrospectively reviewed 45 meta analyzes 45 null hypothesis 45 kimberlite indicator minerals 45 toxicological studies 45 Microbiological 45 liver biopsies