Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1900 - 1944 1945 - 1984 1985 - 1988 1989 - 1994 1995 - 2000 biochemistry English
1900 - 1942 1943 - 1987 1988 - 1992 1993 - 1996 1997 - 2000 genetics English
1900 - 1910 1911 - 1971 1972 - 1980 1981 - 1989 1990 - 2000 physiology English
1900 - 1951 1952 - 1988 1989 - 1992 1993 - 1995 1996 - 2000 ecology English
1900 - 1948 1949 - 1985 1986 - 1989 1990 - 1994 1995 - 2000 microbiology English

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