Rujukan Usus_kecil

    • Solomon et al (2002) Biology Sixth Edition, Brooks-Cole/Thomson Learning ISBN 0-03-033503-5
    • Townsend et al (2004) Sabiston Textbook of Surgery, Elsevier ISBN 0-7216-0409-9
    • Thomson A, Drozdowski L, Iordache C, Thomson B, Vermeire S, Clandinin M, Wild G (2003). "Small bowel review: Normal physiology, part 1". Dig Dis Sci. 48 (8): 1546–64. PMID 12924651. Selenggaraan CS1: Pelbagai nama: senarai pengarang (link)
    • Thomson A, Drozdowski L, Iordache C, Thomson B, Vermeire S, Clandinin M, Wild G (2003). "Small bowel review: Normal physiology, part 2". Dig Dis Sci. 48 (8): 1565–81. PMID 12924652. Selenggaraan CS1: Pelbagai nama: senarai pengarang (link)