Columbia subject headings:
Children--Language--Congresses.
Speech disorders in children--Congresses.
Speech--Physiological aspects--Congresses.
Harvard subject headings:
Children--Language--Congresses
Speech disorders in children--Congresses.
Speech--Physiological aspects--Congresses.
Princeton subject headings:
Children--Language--Congresses.
Speech disorders in children--Congresses.
Speech--Physiological aspects--Congresses.