Ursula Ackermann-Liebrich, Thomas Voegeli, Kathrin Gunter-Witt, Isabelle Kunz, Maja Zullig, Christian Schindler et al
Ackermann-Liebrich U, Voegeli T, Gunter-Witt K, Kunz I, Zullig M, Schindler C et al.
Home versus hospital deliveries: follow up study of matched pairs for procedures and outcome
BMJ 1996; 313 :1313
doi:10.1136/bmj.313.7068.1313