Professional unity.
D006126:Group Processes; D006801:Humans; D009788:Occupational Therapy / Q000639:trends; D026741:Physical Therapy Modalities / Q000639:trends; D011584:Psychology / Q000639:trends; D012923:Social Class; D012947:Social Work / Q000639:trends; D013038:Specialization / Q000266:history; D013070:Speech Therapy / Q000639:trends; D014481:United States