1. Clinical assessment of gestational age in the newborn infant;Dubowitz, L.M.S.; Dubowitz, V.; Goldberg, C.;Journal ofPediatrics,1970
2. Assessment of gestational age in twins;Keet, M.P.; Jaroszewicz, A.M.; Liebenberg, A.le R.;Archives of Disease in Childhood,1974
3. Adhesive urine bags often become detached and may cause severe excoriation of the skin after a short period. Mothers want to handle their babies during the collection and will not accept the older restraining devices such as chairs and hammocks. We have constructed a cot for timed collections of urine and metabolic balance studies which is based on the model used in the;Philadelphia Children's Hospital (Winter et al; but has been modified to allow the mother to handle her baby,1967