an increase in the number of poisonings occurring in the province or from an increase in the number of enquiries with no change in the number of poisonings. (ii) there was an increase in 1976 in the number of prescriptions dispensed and therefore an increase in the number of drugs consumed. (iii) the increase in enquiries about poisoning in children, if it reflects an increase in actual poisoni...

background: substitution of arterial with venous blood samples to estimate blood gas status is highly preferable due to practical and safety concerns. numerous studies support the substitution of arterial by venous blood samples, reporting strong correlations between arterial and venous values. this study further investigated the predictive ability of venous blood samples for arterial acid-base...