Photomicrographs of the liver, kidney and heart for the sub-chronic toxicity studies of Sprague–Dawley rats treated with either sterile water, HPA, HPB or HPC for 30 days
Magnification, ×100. Haematoxylin–Eosin stain was used. Photomicrographs of sections of (A-J): liver, (K-T): kidney, (U-Z) and (Aa-Ad): heart.