Bill, Her study was published on the front page of the International Forum in the March/April 09 issue and was on 14 men. She initially tried to do 50, but excluded a bunch of them because there was some early crown thinning and she didn't want anyone with androgenetic alopecia evidence. Thus it is not absolutely statistically significant but does give a good glimpse into what is a realistic density on normal men's heads. The 60 FU per cm2 is certainly not the practice of the majority of hair