Frustration is introduced in randomly connected totalistic cellular automata via mixing of rules leading to incompatible periods. As the respective concentration of rules is varied, these cellular aut...
Between 1980 and 1986, 260 strains of Bacillus thuringien$is (Bt) representing 26 serovars and 20 registered and 50 experimental preparations of Bt produced by the manufacturers, were evaluated agains...
Between 1980 and 1986, 260 strains of Bacillus thuringien$is (Bt) representing 26 serovars and 20 registered and 50 experimental preparations of Bt produced by the manufacturers, were evaluated agains...
Changes in the National Health Service have had important effects on the way in which healthcare professionals will do their jobs in the future. In parallel there have been important developments in t...
The author recalls the main features of primary-secondary syphilis observed nowadays under any climat. Still present and in more young people, syphilis is no longer the plague it was in the past centu...