ArmitageP (1974) Statistical methods in medical research. Blackwell Scientific Publ., Oxford.
2.
BaggenstossA HSolowayR DSummerskillW H JElvebackL RSchoenfieldL J (1972) Chronic active liver disease. The range of histologic lesions, their response to treatment and evolution. Human Pathology4, 183.
3.
ColtortiMDel Vecchio BlancoCCaporasoNAmbrogioGKraussR RussoMatteraD (1978) Aspetti e problemi clinici delle epatiti croniche nel nostro paese. Rel Convegno su ‘Epatiti virali e meningoencefaliti’ Napoli 23–24 Novembre 1978. Atti Pacini Ed. Pisa, p 5.
4.
ColtortiMDel Vecchio BlancoCCaporasoNDe CarloR (1980) Relationship between HBCAb and HBSAg or HBSAb in chronic hepatitis and healthy carriers in Campania (S. Italy). Italian Journal of Gastroenterology12, 14.
5.
CookG CMulliganRSherlockS (1971) Controlled prospective trial of corticosteroid therapy in active chronic hepatitis. Quarterly Journal of Medicine40, 159.
6.
FedorowskiTSalenGZakiG FSheferSMosbachEH (1978) Comparative effects of ursodeoxycholic acid and chenodeoxycholic acid in the rhesus monkey. Biochemical and ultrastructural studies. Gastroenterology74, 75.
7.
FrigerioG (1979) Ursodeoxycholic acid (UDCA) in the treatment of dyspepsia: report of a multicentric controlled trial. Current Therapeutic Research26, 214.
8.
GentileSFogliaFGrignlNColtortiM (1980) Eliminazione plasmatica di rifamicina-SV in epatopatie croniche e nella sindrome di Gilbert. Riforma Medica95, 7.
9.
GIRC Inter-Hospital Clinical Research Group (1979) Effect of ursodeoxycholic acid (UDCA) on dyspepsia in patients with gallstones or other biliary tract anomalies. Current Therapeutic Research26, 230.
10.
GIRC Inter-Hospital Clinical Research Group (1981) Treatment of radiolucent gallstones with CDCA or UDCA. A multicenter trial. Digestion, 22.
11.
KoretzR LLewinK JHigginsJFagenN DGitnickG L (1980) Chronic active hepatitis. Who meets treatments criteria? Dig. Dis. Scie. 25, 695.
12.
LeuschnerVLeuschnerMHubnerK (1981) Gallstone dissolution in patients with chronic active hepatitis. Abstr. from AGA, New York City, May 18–20.
13.
Murray-LyonI MSternR BWilliamsR (1973) Controlled trial of prednisolone and azathioprine in active chronic hepatitis. Lancet1, 735.
14.
PlotzP H (1975) Asymptomatic chronic hepatitis. Gastroenterology68, 1629.
15.
SchalmS WSummerskillW H JGitnickG LElvebackL R (1976) Contrasting features and responses to treatment of severe chronic active liver disease with and without hepatitis B s Antigen. Gut17, 781.
16.
SolowayR DSummerskillW H JBaggenstossA HGeallM GGitnickG LElvebachL RSchoenfieldL J (1972) Clinical, biological and histological remission of severe chronic active liver disease. A controlled study of treatments and early prognosis. Gastroenterology63, 820.