Self dosing with cobalt or selenium by farmers.
Farquhar
S J
SJ
D003035:Cobalt / Q000008:administration & dosage / Q000506:poisoning*; D005308:Fertilizers; D006801:Humans; D008297:Male; D008875:Middle Aged; D064586:Selenic Acid; D012643:Selenium / Q000008:administration & dosage / Q000506:poisoning*; D018036:Selenium Compounds / Q000008:administration & dosage / Q000506:poisoning; D012651:Self Medication
D005308:Fertilizers; D018036:Selenium Compounds; D003035:Cobalt; D012643:Selenium; D064586:Selenic Acid