Dr. Fox thought the general idea contained in Dr. Allen's paper was a good one, but he hardly regarded it as practical. Instead of establishing a new, arbitrary unit as the basis of measuring skin lesions the speaker thought it would be better to adopt the French millimeter.
J Cutan Genito-Urin Dis. September 1897;15:438.
Allien CW. Measurements of Skin Lesions. Arch Dermatol. 1997;133(9):1080. doi:10.1001/archderm.1997.03890450018002