1. Khadem N. The effect of transcutaneous electrical nerve stimulation (TENS) on labor pain, Medical journal of Mashhad University of medical sciences vol 43, No.67, P:38-44, 2000.
2. Khadem N., Hoseinzadeh H, Hafizi L, Azarhushangi P.The efficacy of pyridoxine (vit B6) in the treatment of Nausea and vomiting of pregnancy. The Iranian journal of Obstetrics, Gynecology and Infertility, Mashhad university of medical sciences, Vol 5, No.2, 2002.
3. Ajami B, Khadem N. An investigation on the relationship between tooth eruption and puberty in 12-year-old girl students in Mashhad. Journal of Dentistry, Tehran University of medical sciences. Vol 15, No.4, 2003.
4. Khadem N., Jalali Mazlouman S. Study of endometriosis related infertility, a comparative study. Acta medica Iranica. Tehran University of medical sciences, Vol 42, No.5, 2004. (in English)
5. Khadem N., Khadivzadeh T. Comparison of the efficacy of PGE2 suppository and cervical foley catheter with pre-induction ripening of the cervix. Iranian Journal of medical sciences. Vol 28, No.3, 2003. (in English)
6. Torabizadeh A., Vahid F., Yusefi Z., Jahanian M., Mosavifar R., Khadem N.
Preavalance of abortion in pregnancies after assisted reproductive technology and its relation with induction of ovulation protochols. The Iranian Journal of Obstetric, Gynecology & Infertility. Vol 5, No.9&10, 2002 - 2003.
7. Derakhshan A., Khadem N., Tabatabaei M., Mazlouman S.
Pain tracker diagnostic instrument: effect on patients' satisfaction with their interactions with the primary care physician. Eastern Mediterranean Health Journal, Vol.9, Nos 1/2, 2003.
8. Khadem N., Ensafi P. Modulating the antiestrogenic effects of clomiphene citrate by ethinyl estradiol in patients undergoing intrauterine insemination.Medical journal of Reproduction & Infertility. Vol. 4, 2003.
9. Khadem N., Rafie Zadeh Z. Effect of double IUI on pregnancy rate in superovulated cycles with clomiphene citrate. Medical journal of Reproduction & Infertility.Vol 4, 2003.
10. Ghomian N., Khadem N. The relationship between cervical dilatation at the first vaginal examination in labor and subsequent intervention. The Iranian Journal of Obstetric, Gynecology & Infertility. Vol 6, No.1, 2003.
11. Khadem N., Farazmand T. Comparison of the effect of methylprednisolone and promethazine in the treatment of hyperemesis gravidarum. The Iranian Journal of Obstetric, Gynecology & Infertility. Vol 7, No.2, 2005.
12. Khadem N., Hafizi L, Shirazi M. Evaluation of laboratory and clinical ressistance to parentral ampicilline in acute pyelonephritis during pregnancy. The Iranian Journal of Obstetric, Gynecology & Infertility. Vol 8, No.1, 2005.
13. Mosavifar N., Khadem N., Torabizadeh A. The correlation between mock embryo transfers prior to the start of IVF cycle with real embryo transfer. Iranian Journal of Reproductive Medicine. Vol 4, 2006. (in English)
14. Yusefi Z., Torabizadeh A., Khadem N., Jalali M., Jahanian M., Musavifar N., Vahid F. Evaluation of the incidence and outcome of IUI in the infertility medical center of Mashhad University. Medical journal of Mashhad University of medical sciences. Vol 44, No.71, 2001.
15. Namvar F., Golmakani N., Khadem N. A comparative study of the effects of vaginal cones and pelvic floor muscles exercises in women with pelvic floor muscles atony. Journal of Sabzevar school of Medical Sciences and Health Services. 2002.