@book{864619,
	author = {Chawla nee Chowdhry Nirja and University of Delhi. Faculty of Medical Sciences. Department of Obstetrics and Gynaecology and  Dr Kamala Ganesh Supervisor},
	title = {Graphico-statistical analysis of the inter-relationship of the station of the fetal head and rate of cervical dilatation in labour},
	year = {1983}
}