A 20th-century Cannabis pollen increase in the varved record of Lake Montcortes (Iberian Pyrenees) and its potential causes https://www.biorxiv.org/content/10.1101/2023.03.28.534506v1?med=mas
A 20th-century Cannabis pollen increase in the varved record of Lake Montcortes (Iberian Pyrenees) and its potential causes https://www.biorxiv.org/content/10.1101/2023.03.28.534506v1?med=mas