Crying as a sign, a symptom and a signal : evolving concepts of crying behavior

Barr, Ronald G. and Hopkins, Brian and Green, James A. (2000) Crying as a sign, a symptom and a signal : evolving concepts of crying behavior. In: Crying as a sign, a symptom, and a signal: clinical, emotional and developmental aspects of infant and toddler crying :. Clinics in Developmental Medicine . Wiley, pp. 1-7. ISBN 9781898683216