THis paper from 1947 sums up the state of the science(and opinion) at the time: https://jamanetwork.com/journals/jama/article-abstract/295721 https://jamanetwor

THis paper from 1947 sums up the state of the science(and opinion) at the time: https://jamanetwork.com/journals/jama/article-abstract/295721 https://jamanetwork.com/journals/jama/article-abstract/29572...