TY - GEN AU - Fournier,F AU - Thomas,D W TI - Nitrogen and energy requirements of the North American porcupine (Erethizon dorsatum) SN - 0031-935X PY - 1997///1212 KW - Animals KW - Body Constitution KW - Diet KW - Dietary Proteins KW - administration & dosage KW - Energy Metabolism KW - Female KW - Male KW - Nitrogen KW - metabolism KW - Nutritional Requirements KW - Rodentia KW - physiology N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1086/515874 ER -