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

Year Number of Results
1947 1
1948 4
1951 15
1952 52
1953 48
1954 52
1955 66
1956 50
1957 56
1958 48
1959 53
1960 60
1961 54
1962 49
1963 1
1964 11
1965 83
1966 150
1967 182
1968 201
1969 203
1970 176
1971 191
1972 249
1973 234
1974 254
1975 235
1976 236
1977 228
1978 226
1979 267
1980 269
1981 274
1982 278
1983 301
1984 306
1985 312
1986 313
1987 363
1988 371
1989 368
1990 411
1991 377
1992 398
1993 409
1994 474
1995 382
1996 368
1997 383
1998 399
1999 321
2000 361
2001 357
2002 348
2003 307
2004 344
2005 364
2006 372
2007 398
2008 351
2009 319
2010 326
2011 340
2012 308
2013 321
2014 331
2015 332
2016 321
2017 317
2018 302
2019 189
2020 11
Text availability
Article attribute
Article type
Publication date

Search Results

16,670 results
Results by year
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Page 1
Parasympathetic nervous system activity and children's sleep.
El-Sheikh M, Erath SA, Bagley EJ. El-Sheikh M, et al. J Sleep Res. 2013 Jun;22(3):282-8. doi: 10.1111/jsr.12019. Epub 2012 Dec 6. J Sleep Res. 2013. PMID: 23217056 Free PMC article.
[Cholinergic system of the heart].
Kučera M, Hrabovská A. Kučera M, et al. Ceska Slov Farm. 2015 Dec;64(6):254-63. Ceska Slov Farm. 2015. PMID: 26841700 Review. Czech.
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