TY - GEN AU - Lupton,J R AU - Ferrell,R G TI - Using density rather than mass to express the concentration of gastrointestinal tract constituents SN - 0022-3166 PY - 1986///0228 KW - Animals KW - Body Weight KW - Densitometry KW - Diet KW - Dietary Fiber KW - analysis KW - Energy Intake KW - Feces KW - Gastrointestinal Contents KW - Intestinal Absorption KW - Male KW - Rats KW - Rats, Inbred Strains N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1093/jn/116.1.164 ER -