rather than recording the extent of tissue lesions in absolute terms, is far better to talk about the relative loss if percent, when comparing corals of different sizes;
p.216-230; in ....
Karamarsky-Winter E.; 2004: What Can Regeneration Process Tell Us About Coral Disease?; in Rosenberg E., Loya Y. (eds); Coral Health and Disease; Springer Verlag, Berlin/Heidelberg - FRG;