https://www.selleckchem.com/pr....oducts/nesuparib.htm
There was also a differential concentration in the fallopian tube tissue with higher concentration close to the implant then lower at a distance from this implant. There was a correlation between the concentrations of the two metals. The presence of nickel and chromium in the fallopian tube tissue and the peritoneal fluid raises the question of a possible relationship between the symptoms attributed to Essure® implants and the dissemination of potential toxic metals due to galvanic corrosion of the devices. The presence of nickel and