Is the benefit of laparoscopy maintained in elderly patients undergoing rectal cancer resection?
This study showed that laparoscopic rectal cancer resection might safely be performed irrespective of age.
The results provided no evidence that the effects of maternal smoking during pregnancy on child smoking trajectory are mediated by problem behavior. Effects from smoking after birth to child smoking trajectory appear to be partially mediated by problem behavior, supporting a behavioral rather than physiological effect of smoking during pregnancy but not ruling out more complex physiological pathways.