egger et al. 1997, egger et al. 1997 bmj, baker et al. 1998, berger et al. 1998, gaertner et al. 1993, berger et al. 1995, berninger et al. 2002, baker et al. 2013, baker et al. 2008, baker et al. 2012, mayer et al. 1995, eisenberg et al. 1998, brunner et al. 1993, eisenberger et al. 2001, engler et al. 2008, miller et al. 1998, baker et al. 2002, meyer et al. 2001, ruegger et al. 1998, baker et al. 2004, bremner et al. 1995, meier et al 1999, bruner et al 1993, berger et al 1996
egger et al. 1997. There are any references about egger et al. 1997 in here. you can look below.