Hurray for brand X.
Richter
J E
JE
D000368:Aged; D003248:Constipation / Q000188:drug therapy* / Q000453:epidemiology; D005260:Female; D006801:Humans; D007792:Lactulose / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D013012:Sorbitol / Q000627:therapeutic use*
D007792:Lactulose; D013012:Sorbitol