共 7 条
[1]
FISHER RA, 1941, STATISTICAL METHODS, P21
[2]
HEVESY G, 1937, BIOL MEDD, V13, P13
[3]
PINCUS P., 1950, BRIT DENTAL JOUR, V89, P143
[4]
PINCUS P, 1954, AUSTRAL J DENT, P89
[5]
SAUNDERS JBD, 1942, J AM COLL DENT, V9, P107
[7]
SYMONS NBB, 1955, BR DENT J, V98, P273