Columbia subject headings:
Erythropoiesis--Congresses.
Hemoglobin--Synthesis--Regulation--Congresses.
Harvard subject headings:
Erythropoiesis--Congresses.
Hemoglobin--Synthesis--Regulation--Congresses.
Princeton subject headings:
Erythropoiesis--Congresses.
Hemoglobin--Synthesis--Regulation--Congresses.