D. Sack
发表
D. Sack,
S. Gahagan,
G. Calandra,
1991,
The New England journal of medicine.
D A Berry,
D. Berry,
M C Wolff,
1994,
Controlled clinical trials.
Jeremy Howick,
Murray Enkin,
Sabrina Koperski,
2010,
Annals of Internal Medicine.