extent to which a substance to which a body is exposed (by ingestion, inhalation, injection, or skin contact) reaches the systemic circulation, and the rate at which this occurs

The term "bioavailability" was found in the following pages:

Selenium species are partly converted during their enzymatic extraction from biological samples with protease XIV | EVISA's News
Material database: Applied Isotope Technologies - ESIS™ Monomethyl mercury (isotopically labeled)
Directory of scientists: Robert A. Yokel
A new Selenium-containing compound, Selenoneine, found as the predominant Se-species in the blood of Bluefin Tuna | EVISA's News
Link database: FLUXY/MHEDYN: Modelling of dynamic environmental processes
Link database: EFSA: L-selenomethionine as a source of selenium added for nutritional purposes to food supplements
'Surprisingly High Levels' of Methylmercury Contamination found in Groundwater | EVISA's News
New data shows: Mercury emissions rising globally | EVISA's News
Journals database: Arzneimittel Forschung - Drug Research
Essentiality of selenium for brain development | EVISA's News
Directory of scientists: Francesco Cubadda
Material database: American Elements - Selenium 76 Metal Isotope
Directory of scientists: M. Teresa Vasconcelos
Chemical speciation analysis for nutrition and food science | EVISA's News
Directory of scientists: Jens Jørgen Sloth
Simultaneous selenium and sulfur speciation analysis in cultured mushrooms (Pleurotus pulmonarius) | EVISA's News
ICOBTE 2013: 12th International Conference on the Biogeochemistry of Trace Elements | EVISA's Agenda of Events
Plant uptake of trimethylantimony from contaminated soils | EVISA's News
Toxic Mercury in Aquatic Life Could Spike due to Climate Change | EVISA's News
Directory of scientists: Tamara García Barrera