Pancreaticobiliary reflux in patients with a normal pancreaticobiliary junction: Pathologic implications

Table 1 Articles from “Carcinogenesis associated to pancreaticobiliary reflux: What is currently known?”– Levels of evidence in anomalous pancreaticobiliary junction

Author	Level of evidence
Kimura et al[2], 1985	IV
Kinoshita et al[4], 1984	IV
Mizuno et al[6], 1996	II
Chao et al[7], 1999	IV
Matsumoto et al[8], 2003	IV
Funabiki et al[9], 2009	IV
Kamisawa et al[10], 2009	IV
Tsuchida et al[12], 2003	IV
Hanada et al[13], 1999	III
Obara et al[14], 1999	IV
Hanada et al[15], 1999	III
Seki et al[16], 2005	III
Funabiki et al[17], 1997	IV
Wistuba et al[18], 1999	IV
Hanada et al[19], 1999	IV
Iwai et al[40], 1992	IV
Lipsett et al[41], 1994	IV
Lenriot et al[42], 1998	IV
Singham et al[43], 2009	IV
Todani[44], 1997	IV
Todani et al[45], 1994	V
Akiyama et al[46], 1998	V
Yamato et al[47], 1999	III
Ichikawa et al[48], 2004	III