[1]
S. Saarela, M. Vuori, E. Eloranta, and O. Vakkuri, “Melatonin, a candidate signalling molecule for energy sparing”, Ornis Fenn, vol. 76, no. 4, pp. 231–235, Dec. 1999, Accessed: Nov. 30, 2025. [Online]. Available: https://ornisfennica.journal.fi/article/view/133518