Marina Barnard and Neil McKeganey, «The Impact of Parental Problem Drug Use on Children: What Is the Problem and What Can Be Done to Help?» Addiction 99, no. 5 (2004): 552–559; Paula Kienberger Jaudes, Edem Ekwo, and John Van Voorhis, «Association of Drug Abuse and Child Abuse», Child Abuse and Neglect 19, no. 9 (1995): 1065–1075.