@book{30155,
	author = {Winn, Hung N.||Chervenak, Frank A.||Romero, Roberto},
	title = {Clinical Maternal-Fetal Medicine},
	url = {https://library.oapen.org/bitstream/20.500.12657/50585/1/9781000533736.pdf||https://library.oapen.org/bitstream/20.500.12657/50585/1/9781000533736.pdf}
}