@book{2889,
	author = {Neuberg,  Roger.},
	title = {Obstetrics:a practical manual },
	publisher = {Oxford University Press ,},
	year = {1995 .},
	address = {Oxford :},
	url = {https://global.oup.com/academic/product/obstetrics-9780192630070?cc=pk&lang=en&#}
}