Trajectories in hypnotic use and approaching death: a register linked case–control study

Whether the association between hypnotic and increased mortality risk is created by causation or confounding, has been long debated. We examined further the possibility of confounding by indication with a comprehensive approach.

from #ORL-AlexandrosSfakianakis via ola Kala on Inoreader http://ift.tt/2HfXa3S