1. Intrauterine contraceptive devices: vaginal cytology, pathologic changes and clinical implications;Gupta;Acta Cytol,1982
2. IUDs, inflammation, and infection: assessment after two decades of IUD use;Schmidt;Hum Pathol,1982
3. A formaldehyde-glutaraldehyde fixative of high osmolality for use in electron microscopy;Karnovsky;J Cell Biol,1967
4. Scanning electron microscopy of calcium oxalate crystal formation in experimental nephrolithiasis;Khan;Lab Invest,1979
5. Scanning electron microscopy of urinary calculi;Spector;Scan Electron Microsc,1976