G. Piredda
发表
F. Marongiu,
P. Farci,
A. Balestrieri,
1992,
European Journal of Epidemiology.
A. Farris,
G. Sanna,
D. Santeufemia,
2006,
World journal of gastroenterology.
G. Rezza,
P. Pirina,
G. Madeddu,
2011,
International journal of STD & AIDS.