
Nucleic Acid Purification System
1989
1989
1962-1989
1907
1907
1907
1907
1907
1907
1907
1907
1989
2017
circa 1885
before 1889
1910-1913
1907
1900
1980
circa 1910
1907
1940
1897
1895
circa 1885
mid-20th century
1893
1907
1885
1895-1900
2000-11-27
1919
1982
1907
1960
1960
1902 or later
1920
before 1889
1880-1910
before 1889