A snapshot of pneumonia research activity and collaboration patterns (2001–2015): a global bibliometric analysis

Table 11 Distribution of research articles on different pneumonia types amont 15 most productive countries

Pneumonia, Aspiration		Pneumonia, Bacterial		Pneumonia, Pneumocystis		Pneumonia, Ventilator-Associated		Pneumonia, Viral
Country	N of docs	Country	N of docs	Country	N of docs	Country	N of docs	Country	N of docs
USA	394	USA	1709	USA	525	USA	650	USA	383
Japan	169	France	379	France	149	France	170	China	98
Germany	78	Spain	378	UK	106	Spain	139	Japan	95
UK	74	Germany	329	Japan	104	Greece	72	UK	83
Australia	45	Japan	297	Spain	64	Canada	69	Germany	81
Canada	44	UK	252	Germany	58	UK	68	Spain	71
France	40	Canada	209	Italy	46	Germany	67	France	66
Spain	39	Italy	176	Switzerland	38	China	63	Italy	59
Turkey	31	Netherlands	173	China	38	Brazil	63	Canada	48
China	25	China	171	South Africa	35	Italy	63	Netherlands	47
Italy	24	Australia	123	Denmark	28	Turkey	58	South Korea	41
South Korea	22	Taiwan	104	Canada	27	Netherlands	53	Finland	39
Switzerland	21	Switzerland	103	Taiwan	27	Australia	49	Australia	29
Netherlands	21	Brazil	100	Netherlands	25	Belgium	45	Brazil	26
Taiwan	21	South Korea	92	Australia	23	India	39	Thailand	21

ISSN: 1471-2288