TY - GEN AU - Foti,A AU - Foti,A M AU - Torrisi,L TI - Auger and pixe microanalysis of intrauterine devices (IUDs) SN - 0390-6663 PY - 1991///0411 KW - Calcium KW - analysis KW - Copper KW - Female KW - Humans KW - Intrauterine Devices, Copper KW - Microscopy, Electron, Scanning KW - Oxidation-Reduction KW - Spectrometry, X-Ray Emission KW - Spectrum Analysis KW - Time Factors N1 - Publication Type: Journal Article ER -