Columbia subject headings:
Barron, Donald H., 1905-1993.
Blood--Circulation--Congresses.
Cardiovascular system--Growth--Congresses.
Fetus--Physiology--Congresses.
Newborn infants--Physiology--Congresses.
Physiology, Experimental--Congresses.
Harvard subject headings:
Barron, Donald Henry, 1905-
Blood--Circulation--Congresses.
Cardiovascular system--Growth--Congresses.
Fetus--Physiology--Congresses.
Newborn infants--Physiology--Congresses.
Physiology, Experimental--Congresses.
Princeton subject headings: