共 5 条
[1]
FREEDMAN L, 1947, Patent No. 2417299
[2]
MUNZEL K, 1954, Pharm Acta Helv, V29, P1
[3]
1950, Patent No. 2518230
[4]
1951, Patent No. 2541285
[5]
1941, SURFACE ACTIVE AGENT