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The image here was on this web site a few days ago, then removed in favor of the one currently being shown that has the eyes only -- not the full face.

Patrick Mcgean has had experience with his own study group -- looking at images of people taking sulfur. He has kindly offered to pose a few questions on William Koh's page, along with this image which was posted earlier and converted into a "negative image" by Patrick -0- he finds it easier to see things to comment on wen looking at a negative image.

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