Protoplasmic routes by Axel Cuevas Santamaría
https://axxvjs.wordpress.com/2016/02/22/protoplasmic-routes-by-vj-axx/
Reading older literature
Interesting to look back at eradication efforts for environmental pathogens. Figure shows where formalin was applied to treat Histoplasma. Formalin-1967-TOSH-259-65 Formalin2