[Hemoglobin--an environmental problem, waste product or food ?].
D000003:Abattoirs; D000818:Animals; D005502:Food; D006454:Hemoglobins / Q000378:metabolism; D006801:Humans; D007501:Iron / Q000097:blood
D006454:Hemoglobins; D007501:Iron
Hemoglobin--miljöproblem, avfall eller mat?