Proteoglycans presence and distribution. R. RibeiroAna BarbaglioAlice D. BenedettoCristiano C. RibeiroCristina C. WilkieIain D. C. CarnevaliMaria A. BarbosaMário 2013 <p>Longitudinal section of CDL stained with (A) alcian blue at pH 2.5 and cuprolinic blue (B) (arrows, cuprolinic blue stained precipitates).</p>