Histochemical study of Magellanic penguin (Spheniscus magellanicus) minor salivary glands during postnatal growth /1999/ Samar ME, Avila R, Fabro SP, Porfirio V, Esteban FJ,  Pedrosa JA, Peinado MA.  The Anatomical Record. 254 – 2, pp. 298 – 306. Wiley. PMID: 9972815, 1999. PMID: 9972815 DOI:10.1002/(SICI)1097-0185(19990201)254:2<298::AID-AR16>3.0.CO;2-7