The Western Canada study: overview and context.
Guidotti
Tee L
TL
D000416:Alberta; D000818:Animals; D001955:British Columbia; D002170:Canada; D002417:Cattle; D003466:Cultural Characteristics; D006801:Humans; D007221:Industry; D010578:Petroleum / Q000633:toxicity*; D011634:Public Health; D011643:Publishing / Q000639:trends*; D012525:Saskatchewan
D010578:Petroleum