(1998), pp. 89-98.
Nature, Vol. 436, No. 7053. (2005), pp. 889-890.
Journal of Informetrics, Vol. 2, No. 1. (January 2008), pp. 1-52.
Science, Vol. 178, No. 60. (3 November 1972), pp. 471-479.
(2004), pp. 448-449.
(24 May 2006)
Inf. Process. Manage., Vol. 41, No. 6. (December 2005), pp. 1462-1480.
Nature, Vol. 439, No. 7078. (15 February 2006), pp. 770-771.
(24 May 2006)
ACM Comput. Surv., Vol. 31, No. 4es. (1999)
(26 Oct 2006)
(26 Mar 2007)
Journal of the ACM, Vol. 46, No. 5. (1999), pp. 604-632.
(1 Sep 2004)
(31 December 2005)
Journal of the American Society for Information Science and Technology, Vol. 56, No. 10. (31 May 2005), pp. 1088-1097.
(9 Jan 2006)
(13 Dec 2006)
(20 Dec 2005)
(3 Aug 2005)
International Applied Mechanics, Vol. 42, No. 11. (November 2006), pp. 1203-1222.
(2006), pp. 65-74.
BMC Public Health, Vol. 6 (15 December 2006), 301.
Journal of the American Society for Information Science and Technology, Vol. 58, No. 14. (2007), pp. 2167-2179.
BMC Med, Vol. 1 (24 November 2003)
Scientometrics, Vol. 30, No. 1. (26 May 1994), pp. 175-186.
Bulletin of the Medical Library Association, Vol. 76, No. 1. (January 1988), pp. 14-21.
Epidemiologic Perspectives & Innovations, Vol. 5 (26 February 2008), 3.
Journal of the American Society for Information Science and Technology, Vol. 59, No. 9. (2008), pp. 1366-1382.
Journal of the American Society for Information Science and Technology, Vol. 59, No. 9. (2008), pp. 1393-1408.
Journal of the American Society for Information Science and Technology, Vol. 59, No. 9. (2008), pp. 1433-1440.
Journal of the American Society for Information Science and Technology, Vol. 59, No. 9. (2008), pp. 1513-1522.
Rev Saude Publica, Vol. 40 Spec no. (August 2006), pp. 50-56.
Information Processing & Management, Vol. 42, No. 3. (May 2006), pp. 785-804.
Scientometrics, Vol. 76, No. 1. (16 July 2008), pp. 125-133.
(23 Dec 2006)
Scientometrics, Vol. 74, No. 2. (29 February 2008), pp. 257-271.
(2007), pp. 453-458.
Scientometrics, Vol. 56, No. 2. (16 February 2003), pp. 223-232.
Proc Natl Acad Sci U S A, Vol. 98, No. 2. (16 January 2001), pp. 404-409.
(2005), pp. 98-105.
Journal of the American Society for Information Science and Technology, Vol. 54, No. 12. (2003), pp. 1081-1090.
Bull Med Libr Assoc, Vol. 80, No. 2. (April 1992), pp. 150-156.
AMIA ... Annual Symposium proceedings / AMIA Symposium. AMIA Symposium (2005), pp. 724-728.
Journal of the American Medical Informatics Association : JAMIA, Vol. 14, No. 3. (n 2007), pp. 340-348.
Scientometrics, Vol. 69, No. 3. (23 December 2006), pp. 575-589.
Nature, Vol. 415, No. 6873. (14 February 2002), pp. 726-729.
Proc Natl Acad Sci U S A, Vol. 101 Suppl 1 (6 April 2004), pp. 5200-5205.
(2002)