@book{92421,
	author = {Gutiérrez Alfonso, Osvaldo J, and e-libro, Corp.},
	title = {Acupuntura en la analgesia del trabajo de parto /},
	publisher = {Scielo Cuba,},
	year = {1995.},
	address = {La Habana :},
	url = {https://elibro.net/ereader/politecnicointernacional/6568}
}