1. Bratman S, Girman AM. Mosby's handbook of herbs and supplements and their therapeutic uses. 2003. St. Louis: Mosby.
2. Schulz V, Hansel R, Tyler VE. Rational phytotherapy: a physician's guide to herbal medicine. 1998. Berlin: Springer-Verlag.
3. Mir Heidar H. Introduction to plants (uses of plants in the prevention and treatment of disease). 1992. 2nd ed. Islamic culture press;204–410.
4. Mukhallad AM, Mohamad MJ, Hatham D. Effects of black seeds (Nigella Sativa) on spermatogenesis and fertility of male albino rats. Res J Med Med Sci. 2009. 4:386–390.
5. Rege NN, Thatte UM, Dahanukar SA. Adaptogenic properties of six rasayana herbs used in Ayurvedic medicine. Phytother Res. 1999. 13:275–291.
6. Salem ML, Hossain MS. Protective effect of black seed oil from Nigella sativa against murine cytomegalovirus infection. Int J Immunopharmacol. 2000. 22:729–740.
7. Dattner AM. From medical herbalism to phytotherapy in dermatology: back to the future. Dermatol Ther. 2003. 16:106–113.
8. Huffman MA. Animal self-medication and ethno-medicine: exploration and exploitation of the medicinal properties of plants. Proc Nutr Soc. 2003. 62:371–381.
9. Bahmanpour S, Javidnia K, Arandi H. Weight and CR length reduction, gross malformation and pregnancy outcome in Carthamus tinctorius treated mice. Arch Iran Med. 2003. 6:117–120.
10. Chun Q. Clinical observation on dead sperm excess disease of 182 cases. Shanghai J Tradit Chin Med. 1990. 5:28–29.
11. Khaki A, Fathiazad F, Nouri M, Khaki AA, Khamenehi HJ, Hamadeh M. Evaluation of androgenic activity of allium cepa on spermatogenesis in the rat. Folia Morphol (Warsz). 2009. 68:45–51.
12. Carlsen E, Giwercman A, Keiding N, Skakkebaek NE. Evidence for decreasing quality of semen during past 50 years. BMJ. 1992. 305:609–613.
13. Muhammad I, Khan MA. An ethnomedicinal inventory of plants used for family planning and sex diseases in Samahni valley, Pakistan. Indian J Tradit Knowl. 2008. 7:277–283.
14. Shittu LA, Shittu RK, Adesite SO, Ajala MO, Bankole MA, Benebo AS, et al. Sesame radiatum phytoestrogens stimulate spermatogenic activity and improve sperm quality in adult male Sprague Dawley rat testis. Int J Morphol. 2008. 26:643–652.
15. Chohan KR, Griffin JT, Carrell DT. Evaluation of chromatin integrity in human sperm using acridine orange staining with different fixatives and after cryopreservation. Andrologia. 2004. 36:321–326.
16. Lee JY, Chang EJ, Kim HJ, Park JH, Choi SW. Antioxidative flavonoids from leaves of Carthamus tinctorius. Arch Pharm Res. 2002. 25:313–319.
17. Wang CC, Choy CS, Liu YH, Cheah KP, Li JS, Wang JT, et al. Protective effect of dried safflower petal aqueous extract and its main constituent, carthamus yellow, against lipopolysaccharide-induced inflammation in RAW264.7 macrophages. J Sci Food Agric. 2011. 91:218–225.
18. Hiramatsu M, Takahashi T, Komatsu M, Kido T, Kasahara Y. Antioxidant and neuroprotective activities of Mogami-benibana (safflower, Carthamus tinctorius Linne). Neurochem Res. 2009. 34:795–805.
19. Brinster CJ, Ryu BY, Avarbock MR, Karagenc L, Brinster RL, Orwig KE. Restoration of fertility by germ cell transplantation requires effective recipient preparation. Biol Reprod. 2003. 69:412–420.
20. Brinster RL, Zimmermann JW. Spermatogenesis following male germ-cell transplantation. Proc Natl Acad Sci U S A. 1994. 91:11298–11302.
21. Zirkin BR, Santulli R, Awoniyi CA, Ewing LL. Maintenance of advanced spermatogenic cells in the adult rat testis: quantitative relationship to testosterone concentration within the testis. Endocrinology. 1989. 124:3043–3049.
22. Richardson HN, Gore AC, Venier J, Romeo RD, Sisk CL. Increased expression of forebrain GnRH mRNA and changes in testosterone negative feedback following pubertal maturation. Mol Cell Endocrinol. 2004. 214:63–70.
23. Davidson JM, Bloch GJ. Neuroendocrine aspects of male reproduction. Biol Reprod. 1969. 1:Suppl 1. 67–92.
24. Shi M, Chang L, He G. Stimulating action of Carthamus tinctorius L., Angelica sinensis (Oliv.) Diels and Leonurus sibiricus L. on the uterus. Zhongguo Zhong Yao Za Zhi. 1995. 20:173–175. 192
25. Cukierski MA, Sina JL, Prahalada S, Robertson RT. Effects of seminal vesicle and coagulating gland ablation on fertility in rats. Reprod Toxicol. 1991. 5:347–352.
26. Higgins SJ, Burchell JM, Mainwaring WI. Testosterone control of nucleic acid content and proliferation of epithelium and stroma in rat seminal vesicles. Biochem J. 1976. 160:43–48.