background: previous studies have revealed significant differences between populations for genotypic frequencies of glutathione s-transferase t1 ( gstt1 ) and m1 ( gstm1 ) polymorphisms. in order to find the frequency of the null genotypes of gstm1 and gstt1 in iranian populations, the present study was carried out. methods: the total study subjects consisted of 1340 unrelated healthy muslims/i...

Circoviridae family contains two genuses. Chicken anaemia virus (CAV) is the only member of the genus Gyrovirus, while the genus Circovirus currently comprises porcine circoviruses type 1 and 2 (PCV1, PCV2), psittacine beak and feather disease virus (BFDV), pigeon circovirus (PiCV), canary circovirus (CaCV), goose circovirus (GoCV) and duck circovirus (DuCV) [24]. Members of circoviridae family...

Synchronising a database of stock specific news with 5 years worth order book data on 300 stocks, we show that abnormal price movements following releases (exogenous) exhibit markedly different dynamical features from those arising spontaneously (endogenous). On average, large volatility fluctuations induced by exogenous events occur abruptly and are followed decaying power-law relaxation, whil...