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The following 3 pages are in this category, out of 3 total.
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148:This category has only the following subcategory.
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161:Biotechnology companies established in 1981
177:Pages in category "1981 in biotechnology"
182:This list may not reflect recent changes
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238:1980s in biotechnology
253:Biotechnology by year
207:Embryonic stem cell
195:Bovine somatotropin
248:1981 in technology
219:Shotgun sequencing
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232:Categories
165:(3 P)
134:2030s
129:2020s
124:2010s
119:2000s
114:1990s
108:1980s
102:1970s
97:1960s
92:1950s
87:1940s
82:1930s
71:1986
66:1985
61:1984
56:1983
51:1982
46:1981
41:1980
36:1979
31:1978
26:1977
21:1976
234::
184:.
163:
214:S
202:E
190:B
154:B
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