Immunhistochemistry and immunofluorescence of canine tumor 1220 (a,e,i) and its cell line (b,f,j), and the feline tumor 1077 (c,g,k) and its cell line (d,h,l) showing osteonectin (a–d), osteocalcin (e–h), and tissue unspecific alkaline phosphatase (i–l). Scale bar represents 10 µm.