1. Caregiver-infant interaction and the development of the risk infant;Beckwith,1976
2. Receptive language development in preterm infants: antecedents and correlates in caregiver-infant interaction;Beckwith,1977
3. Development of conversational competency related to caregiver-infant interaction;Beckwith,1977
4. Caregiver-infant interaction and early cognitive development in preterm infants;Beckwith;Child Development,1976
5. Social responses of animals to infants with defects;Berkson,1974