TY - BOOK TI - Principles and protocols 4th ed AU - Marshall, Shane A. AU - Ruedy, John. AU - Marshall, Shane A SN - 072163902X PB - Elsevier Saunders PP - Philadelphia : Elsevier Saunders , 2004. PY - 2004 UR - https://library.korea.ac.kr/detail/?cid=CAT000045200827&ctype=m