Smith, J. ., Rogowski, J. ., Schoenauer, K. ., & Lake, E. . (1969). Infants in Drug Withdrawal: A National Description of Nurse Workload, Infant Acuity, and Parental Needs. The Journal of Perinatal & Neonatal Nursing, 32(1), 72-79. https://doi.org/10.1097/JPN.0000000000000309 (Original work published 1969)