Parallel mechanisms of iron uptake by cells.
D000818:Animals; D001692:Biological Transport; D004705:Endocytosis; D006801:Humans; D007501:Iron / Q000378:metabolism*; D008099:Liver / Q000166:cytology / Q000378:metabolism*; D014168:Transferrin / Q000378:metabolism*
D014168:Transferrin; D007501:Iron