4Field T. Massage therapy for infants and children [J]. J Dev Behav Pediatr, 1995,16(2) : 105-111.
5DeZegher F, Bettendorf M, Kaplan S L, et al. Hormone ontogeny in the ovine fetus: the effect of insulin-like growth factor-1 on plasma fetal growth hormone, insulin and glucose concentrations[J]. Endocrinology, 1988,12(3) : 658-659.
6Butler A A, LeRoith D. Minireview: tissue-specific versus generalized gene targeting of the IGF-1 and IGF-1 R genes and their role in insulin-like growth factor physiology [J]. Endocrinology,2001,142(5) :1685-1688.
7Schanberg S M, Kuhn C M. Responses to maternal separation: mechanisms and mediators[J]. Int J Dev Neurosci, 1998.16 ( 3- 4) :261-270.
8Wang S, Bartolome J V, Schanberg S M. Neonatal deprivation of maternal touch may suppress ornithine decarboxylase via down regulation of the proto-oncogenes c-myc and max [J]. J Neurosci, 1996,15(2):836-842.