Investigator's anaemia.
D000747:Anemia, Hypochromic / Q000209:etiology*; D001782:Blood Donors; D001815:Bloodletting / Q000009:adverse effects; D002986:Clinical Trials as Topic; D006405:Hematology; D006801:Humans; D007753:Laboratories; D012108:Research Personnel; D000078329:Workforce