https://www.sciencemag.org/news/2018/11/jellyfish-almost-killed-scientist-now-she-wants-save-others-their-fatal-venom
https://en.wikipedia.org/wiki/Hydrozoa
https://www.dailymail.co.uk/news/article-1306339/Woman-dies-stung-Portuguese-man-war-jellyfish-Sardinia.html
https://www.smithsonianmag.com/smart-news/urine-luck-vinegar-best-treatment-man-o-war-sting-180963142/
http://mentalfloss.com/article/550892/facts-about-portuguese-man-o-war
https://www.livescience.com/51418-man-of-war-sting-tips.html
https://www.thoughtco.com/jellyfish-and-man-of-war-stings-608404
https://www.uwhealth.org/health/topic/special/jellyfish-stings-allergic-reaction/aa121268.html
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3640396/