共 50 条
- [42] 20,000 NURSES TELL THEIR STORY (REPRINTED) [J]. INTERNATIONAL NURSING REVIEW, 1958, 5 (04) : 41 - 45
- [44] TOF gives mass resolution of 20,000 [J]. TRAC-TRENDS IN ANALYTICAL CHEMISTRY, 2008, 27 (01) : IX - X
- [48] Website offers access to 20,000 periodicals [J]. CHEMICAL & ENGINEERING NEWS, 2000, 78 (40) : 45 - 45
- [50] Proceeds of book net $20,000 for Foundation [J]. JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION, 2000, 216 (07): : 1052 - 1052