“… aminoglutethimide for 2 … plasma tHcy by a mean value of 24.5% [95% confidence interval, 10.5-40.4%] at 2 months and 35.8% (95% confidence ….9%) at 3-5 months, corresponding to increases in the mean plasma tHcy of 1.90 and 3.67 micromol/L, respectively.”