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:

Speciation and Toxicity | EVISA's News
Link database: CODA-CERVA: Selenium
Material database: Applied Isotope Technologies - ESIS™ Hexavalent chromium (isotopically labeled)
Directory of scientists: Jens Jørgen Sloth
Directory of scientists: Jérôme F.L. Duval
Methylmercury in European rice varies by more than a factor of 50 | EVISA's News
Chemical speciation analysis for life science | EVISA's News
Trace element speciation for environmental analysis | EVISA's News
Material database: American Elements - Selenium 82 Metal Isotope
Graduate Course on Speciation and Bioavailability | EVISA's Agenda of Events
Study shows link between clear lakes and methylmercury contamination in fish | EVISA's News
Toxic mercury remnants of gold rush will seep into San Francisco area waterways for millennia | EVISA's News
17th Annual Goldschmidt Conference | EVISA's Agenda of Events
California sets goal for limiting hexavalent chromium in drinking water | EVISA's News
Workshop and Training on Applications of DGT in Waters, Soils and Sediments | EVISA's Agenda of Events
Arsenic Speciation in Rice Cereals for Infants | EVISA's News
Toxicity and bioavailability of different selenium metabolites | EVISA's News
Material database: American Elements - Selenium 74 Metal Isotope
IAP2016: 9th International Conference 'INTERFACES AGAINST POLLUTION' | EVISA's Agenda of Events
Link database: Linus Pauling Institute: Micronutrient Information Center:Zinc