title: Validation of the ratio method for calculating absorption of dietary cholesterol in man.
mesh_terms: D000328:Adult; D000818:Animals; D002250:Carbon Radioisotopes; D002791:Cholesterol, Dietary / Q000378:metabolism*; D004396:Coloring Agents; D005243:Feces / Q000032:analysis; D006801:Humans; D007408:Intestinal Absorption; D008297:Male; D008722:Methods; D051381:Rats; D012855:Sitosterols / Q000378:metabolism; D014316:Tritium
chemical_list: D002250:Carbon Radioisotopes; D002791:Cholesterol, Dietary; D004396:Coloring Agents; D012855:Sitosterols; D014316:Tritium