Avan, BI; Rahbar, MH; Raza, SA; (2007) The role of family configuration in early childhood intellectual development in the context of an extended family system in Pakistan. J Postgrad Med, 53 (1). pp. 27-33. ISSN 0022-3859 https://researchonline.lshtm.ac.uk/id/eprint/19663 Full text not available from this repository.