1. Prognostic importance of the semiquantitative immunochemical urine HCG determination in early pregnancy;Kalamaras;God. Zb. Med. Fak. Skopje,1972
2. An evaluation method for the determination and monitoring of urinary HCG;Kalenga;Rev. Fr. Gynecol. Obstet.,1990
3. Evaluation of new serum and urine tests in cases of suspected pathologic early pregnancy;Steier;Acta Obstet. Gynecol. Scand.,1986
4. Ectopic pregnancy—a diagnostic challenge in the emergency department;Wong;Eur. J. Emerg. Med.,2000
5. Anaphylaxia induced by etoposide—a case report;Taguchi;Gan To Kagaku Ryoho,2003