Found it, it was a tweet:
https://mobile.twitter.com/pepesgrandma/status/1233231247725465603
or, direct:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4475644/#!po=93.9685
Maybe someone can explain it in simple terms :)
Many thanks, 1066ad !!
Ping to source of type O and virii
1066AD wrote:
Found it, it was a tweet:
https://mobile.twitter.com/pepesgrandma/status/1233231247725465603
or, direct:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4475644/#!po=93.9685
Maybe someone can explain it in simple terms :)