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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1949 1
1953 1
1954 1
1956 1
1964 1
1966 2
1967 4
1968 6
1969 8
1970 12
1971 15
1972 7
1973 18
1974 7
1975 10
1976 13
1977 22
1978 29
1979 26
1980 41
1981 82
1982 84
1983 88
1984 93
1985 98
1986 90
1987 103
1988 107
1989 118
1990 113
1991 108
1992 99
1993 117
1994 101
1995 103
1996 127
1997 116
1998 102
1999 81
2000 82
2001 88
2002 112
2003 109
2004 88
2005 156
2006 145
2007 148
2008 163
2009 133
2010 131
2011 129
2012 134
2013 148
2014 142
2015 150
2016 129
2017 135
2018 107
2019 127
2020 93
2021 47
2022 3
2023 4
2024 14

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4,564 results

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Page 1
Morphine cholescintigraphy.
Flancbaum L, Alden SM. Flancbaum L, et al. Surg Gynecol Obstet. 1990 Sep;171(3):227-32. Surg Gynecol Obstet. 1990. PMID: 2385816
Epidural morphine.
Mathews E. Mathews E. Lancet. 1979 Mar 24;1(8117):673. doi: 10.1016/s0140-6736(79)91121-8. Lancet. 1979. PMID: 85912 No abstract available.
Intraspinal morphine for cancer pain.
Ventafridda V, Spoldi E, Caraceni A, De Conno F. Ventafridda V, et al. Acta Anaesthesiol Scand Suppl. 1987;85:47-53. doi: 10.1111/j.1399-6576.1987.tb02669.x. Acta Anaesthesiol Scand Suppl. 1987. PMID: 3310498 Review.
4,564 results