The final phase of our conversion to reporting laboratory values in Systéme International (SI) units begins with this issue.1-3 Laboratory values are now reported only in SI units. Traditional values will no longer be displayed in parentheses. (For a table of conversions for frequently cited values, see the July 1, 1988, issue of JAMA.)—ED.
SI Units Now Obligatory. Arch Gen Psychiatry. 1988;45(7):691. doi:10.1001/archpsyc.1988.01800310101018