TY - BOOK AU - Emerson,Eric AU - Einfeld,Stewart L. TI - Challenging behaviour T2 - Cambridge medicine SN - 9780521728935 PY - 2011/// CY - Cambridge, UK PB - Cambridge University Press KW - Social Behavior Disorders KW - therapy KW - Mental disorders KW - Therapy KW - Mentally Disabled Persons KW - psychology KW - Socioeconomic Factors ER -