W. Holzgreve Et Al. , "Safety of placental biopsy in the second and third trimesters.," The New England journal of medicine , vol.317, pp.1159, 1987
Holzgreve, W. Et Al. 1987. Safety of placental biopsy in the second and third trimesters.. The New England journal of medicine , vol.317 , 1159.
Holzgreve, W., Miny, P., Basaran, S., Fuhrmann, W., & Beller, F., (1987). Safety of placental biopsy in the second and third trimesters.. The New England journal of medicine , vol.317, 1159.
Holzgreve, W Et Al. "Safety of placental biopsy in the second and third trimesters.," The New England journal of medicine , vol.317, 1159, 1987
Holzgreve, W Et Al. "Safety of placental biopsy in the second and third trimesters.." The New England journal of medicine , vol.317, pp.1159, 1987
Holzgreve, W. Et Al. (1987) . "Safety of placental biopsy in the second and third trimesters.." The New England journal of medicine , vol.317, p.1159.
@article{article, author={W Holzgreve Et Al. }, title={Safety of placental biopsy in the second and third trimesters.}, journal={The New England journal of medicine}, year=1987, pages={1159} }