Oh, you just have to look at this. (It's actually today's Guardian bad science feature.)
I've got several more where that came from:
Walach, 2000
Milgrom, 2002
Milgrom, 2003a
Milgrom, 2003b
Weingartner, 2003
I was so intrigued by the first one on the list that I emailed the author and asked...