Table 1.

The number of documents and citations in research fields of life science according to funding status

Research fields	Sources	Number of papers	%	Citations	%
Agricultural and biological sciences	Totala	187,276	100	3,044,146	100
	Funded	52,048	27.79	1,177,076	38.67
	Un-funded	135,228	72.21	1,867,070	61.33
Biochemistry, genetics and molecular biology	Totala	282,182	100	6,308,179	100
	Funded	101,875	36.10	3,084,843	48.90
	Un-funded	180,307	63.90	3,223,336	51.10
Immunology and microbiology	Totala	65,734	100	1,477,313	100
	Funded	21,847	33.24	683,797	46.29
	Un-funded	43,887	66.76	793,516	53.71
Neuroscience	Totala	62,323	100	1,425,246	100
	Funded	27,956	44.86	811,597	56.94
	Un-funded	34,367	55.14	613,649	43.06
Pharmacology, toxicology and pharmaceutics	Totala	78,360	100	1,257,310	100
	Funded	24,600	31.40	547,863	43.57
	Un-funded	53,760	68.60	709,447	56.43

^aTotal: the combination of funded and un-funded publications