| Issue Date | Title | Author(s) |
| 1997 | Clinical performance of a new two-rod levonorgestrel contraceptive implant: A three-year randomized study with Norplant® implants as controls | Sivin, I.; Stern, J.; Viegas, O. ; Campodonico, I.; Diaz, S.; Pavez, M.; Wan, L.; Koetsawang, S.; Kiriwat, O.; Piya, Anant M.; Holma, P.; El, Din Abdalla K. |
| Feb-1997 | Levonorgestrel concentrations during use of levonorgestrel rod (LNG ROD) implants | Sivin, I.; Lähteenmäki, P.; Ranta, S.; Darney, P.; Klaisle, C.; Wan, L.; Mishell Jr., D.R.; Lacarra, M.; Viegas, O.A.C. ; Bilhareus, P.; Koetsawang, S.; Piya-Anant, M.; Diaz, S.; Pavez, M.; Alvarez, F.; Brache, V.; LaGuardia, K.; Nash, H.; Stern, J. |
| Mar-2000 | Prolonged effectiveness of Norplant® capsule implants: A 7-year study | Sivin, I.; Mishell Jr., D.R.; Diaz, S.; Biswas, A. ; Alvarez, F.; Darney, P.; Holma, P.; Wan, L.; Brache, V.; Kiriwat, O.; Abdalla, K.; Campodonico, I.; Pasquale, S.; Pavez, M.; Schechter, J. |
| 2000 | Prolonged effectiveness of Norplant® capsule implants: A 7-year study | Sivin, I.; Schechter, J.; Mishell, Jr. D.R.; Diaz, S.; Pavez, M.; Biswas, A. ; Alvarez, F.; Brache, V.; Darney, P.; Holma, P.; Wan, L.; Kiriwat, O.; Abdalla, K.; Campodonico, I.; Pasquale, S. |
| Sep-1986 | Recovery of fertility after use of the Levonorgestrel 20 mcg/d or copper T 380 Ag intrauterine device | Belhadj, H.; Sivin, I.; Diaz, S.; Pavez, M.; Tejada, A.-S.; Brache, V.; Alvarez, F.; Shoupe, D.; Breaux, H.; Mishell Jr., D.R.; McCarthy, T. ; Yo, V. |
| 1998 | The performance of levonorgestrel rod and Norplant® contraceptive implants: A 5 year randomized study | Sivin, I.; Stern, J.; Campodonico, I.; Kiriwat, O.; Anant, M.P.; Holma, P.; Diaz, S.; Pavez, M.; Wan, L.; Biswas, A. ; Viegas, O. ; Abdalla, K.E.D. |
| 1998 | The performance of levonorgestrel rod and Norplant® contraceptive implants: A 5 year randomized study | Sivin, I.; Campodonico, I.; Kiriwat, O.; Holma, P.; Diaz, S.; Wan, L.; Biswas, A. ; Viegas, O. ; Abdalla, K.E.D.; Anant, M.P.; Pavez, M.; Stern, J. |
| Mar-1987 | Two years of intrauterine contraception with levonorgestrel and with copper: A randomized comparison of the TCu 380Ag and levonorgestrel 20 mcg/day device | Sivin, I.; Stern, J.; Diaz, J.; Diaz, M.M.; Faundes, A.; El Mahgoub, S.; Diaz, S.; Pavez, M.; Coutinho, E.; Mattos, C.E.R.; McCarthy, T. ; Mishell Jr., D.R.; Shoupe, D.; Alvarez, F.; Brache, V.; Jimenez, E. |