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310:815-819, 2005
32:352-355, 1990
413:519-523, 2001
7:257-262, 2003
344:715, 1990
346:226, 1990
92:930-933, 1995
95:12695-12700, 1998
75:17-33, 2000
125:452-464, 2002
6:131-138, 2005
6:1230-1237, 2007
18:168-170, 1998
67:357-368, 2000
276:27488-27497, 2001
15:3154-3167, 2006
353:869-874, 2007
81:1144-1157, 2007
81:1232-1250, 2007
418:869-872, 2002
17:1908-1912, 2007
24:3164-3175, 2004
15:694-703, 2005
125:49-56, 2001
32:463-473, 2007
105:3117-3122, 2008
18:354-362, 2008
102:9643-9638, 2005
24(2):332-338, 2005
31:265-272, 2008
113:e472-e486, 2004
27(3):207-210, 2005
70:1318-1327, 2002
23(2):185-188, 1999
45(4):231-236, 2000
27(5):321-325, 2005
34:27-29, 2003
318:71-76, 2007
39:25-27, 2007
101:13915-13920, 2004
48:171-174, 2005
24:4889-4893, 2004
2008(in press)
22:283, 1998
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444:16-21, 2008
105:1710-1715, 2008
57:645-652, 1998
9:304-313, 2008