Sheumack D.D.; Howden M.E.; Spence I.; Quinn R.J. (1978). »Maculotoxin: a neurotoxin from the venom glands of the octopus Hapalochlaena maculosa identified as tetrodotoxin«. Science. 199 (4325): 188–9. doi:10.1126/science.619451. PMID619451.
Sheumack D.D.; Howden M.E.; Spence I.; Quinn R.J. (1978). »Maculotoxin: a neurotoxin from the venom glands of the octopus Hapalochlaena maculosa identified as tetrodotoxin«. Science. 199 (4325): 188–9. doi:10.1126/science.619451. PMID619451.