Robuta

https://pubmed.ncbi.nlm.nih.gov/3510437/
A simple, inexpensive injectable substance is reported for analysis of the arterial circulation in fresh human or animal cadavers. The technique is a...
lead oxidesimplifiedcadaverinjectiontechnique
https://www.yukaenterprises.com/site/archive.php?page=41af16-lead-oxide-formula
For Lead (IV) oxide the charge on Lead is +4 ... we can tell that from the (IV). [9] The tetragonal and orthorhombic forms of PbO occur naturally as rare...
lead oxideformula