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2. Some observations on behavioral approaches to the treatment of grief among the elderly;Averill,1981
3. Influence of models' reinforcement contingencies on the acquisition of imitative responses;Bandura;Journal of Personality and Social Psychology,1965
4. Grief response of parents to neonatal death and parent participation in deciding care;Benfield;Pediatrics,1978
5. Species-specific defense reactions;Bolles,1971