title: Case study of Helen and Clare.
mesh_terms: D000293:Adolescent; D002648:Child; D002649:Child Abuse / Q000517:prevention & control*; D002664:Child Nutritional Physiological Phenomena; D005260:Female; D006556:Heroin Dependence; D006801:Humans; D010287:Parent-Child Relations; D012573:School Nursing