M. Lemus, N. Rojas, L. Rojas Astudillo, and K. Chung, “Metallothioneins in <i>Perna viridis</i> (Bivalvia: Mytilidae): seasonal variation and its relation to reproductive biology”, Rev. Biol. Trop., vol. 61, no. 2, pp. 701–709, Jun. 2013.