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background: depression is a kind of sorrow that decreases the level of juiciness. most studies have maintained that psy­chological risk factors have the most profound effect on the development of postnatal depression (pnd). we compared the postnatal depression among the women with elective caesarean and vaginal delivery.  methods: this cross- sectional study was carried out on 120 women 1-4 mon...

background: beck scale for suicidal ideation (bssi) is a widely used instrument to assess suicidality. however, there is only limited information about the psychometric characteristics of bssi in the persian language. in this study, we investigated the validity, reliability and factor structure of the bssi in the general population of tehran.   methods : initially, 900 questionnaire packages we...

We prove Andrews-Beck type congruences for overpartitions concerning the $D$-rank and $M_2$-rank. To congruences, we establish generating function weighted (respectively, $M_2$-rank) moment of find a connection with second overpartitions.

We prove three variations of recent results due to Andrews on congruences for $NT(m,k,n)$, the total number parts in partitions $n$ with rank congruent $m$ modulo $k$. also conjecture new and relations $NT(m,k,n)$ a related crank-type function.