V. O. Roberson
发表
D. R. Brown,
G. Murray,
B. Wilcox,
1977,
Anesthesia and analgesia.
J. Hulka,
D. Brown,
J. Fishburne,
1976,
American Journal of Obstetrics and Gynecology.
B. Spray,
V. O. Roberson,
W. S. Farabow,
1993,
American journal of obstetrics and gynecology.