1. Ultrasonic scanning in suspected ectopic pregnancy;Pederson, J.F.,1980
2. Sensitive urine tests and human chorionic gonadotrophin secreted during ectopic pregnancy;Norman, R.J.; Reddi, K.; Patel, F.; Kemp, M.; Joubert, S.M.;Br MedJ3
3. Transvaginal ultrasonographic study of the fallopian tube;Timor-Tritsch, I.E.; Rottem, S.;Obstet Gynecol,1987
4. Leatherwork: a possible hazard to reproduction;Clarke, M.; Mason, E.S.;BrMedJ,1985
5. Outcome of pregnancy in leatherworkers;McDonald, A.D.; McDonald, J.C.;Br Med J,1986