The line's engaged esomeprazole magnesium msds.pdf My field always had a longstanding tradition of mentorship, and as far as I can tell, the past century is the first to put this tradition to the test. I am in no way trying to say that our culture has taken a wrong turn. I am just stating cultural shifts. Apprenticeship and mentoring is not nearly as predominant in present-day culture and similarly not the nature of the rungs in corporate ladders.