New and persistent challenges in agriculture, forestry, and fishing.
Levin
Jeffrey
J
D000062:Accidents, Occupational / Q000706:statistics & numerical data*; D000383:Agriculture / Q000639:trends*; D000818:Animals; D005398:Fisheries; D016468:Forestry / Q000639:trends*; D006801:Humans; D009784:Occupational Diseases / Q000453:epidemiology*; D016273:Occupational Exposure; D018570:Risk Assessment; D012307:Risk Factors