Vols. for 1963-19 include: Medical subject headings as pt. 2 of the Jan. issue.
Jan. issues include: List of journals indexed in Index medicus, also issued separately, ISSN 0093-3821. Vols. for 1960-1965 include separate section called: Recent United States publications, which consists of reproductions of the National Library of Medicine catalog cards for current titles.
Description based on: Vol. 20, no. 1, pt. 1 (Jan. 1979).
Vols. for 1960-2000 issued also in an annual cumulation with title: Cumulated index medicus, ISSN 0090-1423.
Absorbed in 1978: Monthly bibliography of medical reviews, now issued as a section of Index medicus and Cumulated index medicus called: Monthly bibliography of medical reviews within the Index medicus and the Cumulated index medicus.