Collaboration Patterns in Indian and Bulgarian Epidemiology of Neoplasms in Medline for 1966–1999

The publication output of India and Bulgaria on epidemiology of neoplasms as reflected in Medline on CD-ROM for 1966–1999 was scientometrically analyzed. Indians have published 347 papers in 24 domestic journals but 444 papers in169 journals from 21 countries. Bulgarians have published 88 papers in 6 Bulgarian journals but 63 papers in 39 journals from 13 countries. Some 17 journals from 8 countries contained papers by Indian and Bulgarian authors both. Oncology dominated with 46 different journals. Indians have published papers in foreign journals of 30 thematic profiles but Bulgarians - of 12 ones. The collaboration of Indians and Bulgarians resulted from joint bilateral projects and/or postgraduate studies abroad.