1. Appaji Rao, N., A. Radha Rama Devi, H. S. Savithri, S. Venkat Rao and A. H. Bittles (1988) ‘Neonatal screening for amino acidopathies in Karnataka, South India’, Clinical Genetics, vol. 34, pp. 60 –4.
2. Bittles, A. H. (1990) Consanguineous Marriage: Current Global Incidence and its Relevance to Demographic Résearch. Population Studies Center, Research Report Number 90 –186 ( Ann Arbor: University of Michigan ).
3. Bittles, A. H. and E. Makov (1988) ‘Inbreeding in human populations; an assessment of the costs’, in C. G. N. Mascie-Taylor and A. J. Boyce. (eds), Human Mating Patterns ( Cambridge: Cambridge University Press ) pp. 153 –67.
4. Bittles, A. H., W. M. Mason, J. Greene and N. Appaji Rao (1991) ‘Reproductive behavior and health in consanguineous marriages’, Science, vol. 252, pp. 789 –94.
5. Bittles, A. H., A. Radha Rama Devi and N. Appaji Rao (1988) ‘Consanguinity, twinning and secondary sex ratio in the population of Karnataka, South India’Annals of Human Biology, vol. 15, pp. 455 –60.