objectives the present study aimed to determine the effects of lemon balm alone and in combination with nepeta menthoides on menstrual bleeding in students with premenstrual syndrome. patients and methods this triple-blind randomized controlled trial included 93 female students with aged 18 years and older. the intervention groups received 500 mg capsules of lemon balm alone or lemon balm in co...

background: nepeta menthoides boiss & buhse is a species from lamiaceae family. it is used as a herbal medicine with common name “ostokhodus” in iranian traditional and folk medicine but there is not enough information about its quality and quantity control methods. objective: in this study we use micromorphological and phytochemical evaluations for qualitative and quantitative control of n. me...

In this study, we investigated the chromosome numbers of some endemic species distributed in East and South-East Iran. The mitotic chromosome counts were presented for the first time for six species in three angiosperm families including: Linaria iranica (2n=12), Nanorrhinum campyloceras (2n=18), Chaenorhinum grossecostatum (2n=24) (Plantaginaceae), Gaillonia bruguieri (Rubiaceae) (2n=22), Nepe...

Many two-sided platforms (such as search engines and business directories) make pro…ts from auctioning their user base to advertisers. Yet, auctioning users is di¤erent from selling standard commodities, since the participation decision by users (and, therefore, the size of the platform’s user base) depends on the bene…t users expect to receive from joining the platform. In this setting, what i...