1. RIZZO G, PIETROPOLLI A, CAPPONI A, CACCIATORE C, ARDUINI D, ROMANINI C. Analysis of factors influencing ventricular fillings in fetuses of diabetic mothers. Ju. Perinat. Med. 22: 149-157, 1994;

2. RIZZO G, PIETROPOLLI A, CAPPONI A, CACCIATORE C, ARDUINI D, ROMANINI C. Evaluation of pulsatility index nomograms based on fetal biometry in small for gestational age fetuses: J. Ultras Med., 13:267, 1994;

3. RIZZO G, ARDUINI D, ROMANINI C. Cardiac and exytacardiac flows in discordant twins. Am. J. Obstet. Gynecol., 170: 1321, 1994;

4. ARDUINI D, RIZZO G, PIANA G, BONALUMI A, BRAMBILLA P, ROMANINI C. Computerized analysis of fetal heart rate: I. Description of the system (2CTG). J. Mat. Fet. Inv, 3: 159, 1993;

5. ARDUINI D, RIZZO G, GIANNINI F, ROMANINI C. Computerized analysis of fetal heart rate: II Comparison with the interpretation of expert. J. Mat. Fet. Inv, 3: 165, 1993;

6. RIZZO G, ARDUINI D, ROMANINI C. Uterine artery Doppler velocity waveforms in twin pregnancies. Obstet. Gynecol. 82: 978, 1993;

7. ARDUINI D, RIZZO G, ROMANINI C. The development of abnormal fetal heart rate patterns after absent diastolic velocityin ombelical artery: Analysis of risk factors. Am. J. Obstet. Gynecol, 168: 43, 1993;

8. ARDUINI D, RIZZO G, GARZETTI GG, ROMANINI C. Analysis of risk factors influencing imminent distress in growth retarded fetuses undergoing oxygen test. Biol. Neonate, 63: 341,1993;

9. ARDUINI D, RIZZO G, ROMANINI C. Changes of pulsatility index proceding the onset of late decelaration in growth retarded fetuses. Obstet. Gynecol, 79: 605, 1992.