National Heart and Lung Institute, Allen, R., & Sherman, M. (1971). Rhythm of the heart: A review of research grants supported by the National Heart and Lung Institute, 1949 to 1970, by May Sherman. Ruth Allen, editorial assistant and bibliographer; subject index by Ellen M. Barnes.

National Heart and Lung Institute, Ruth Allen, and May Sherman. Rhythm of the Heart: A Review of Research Grants Supported by the National Heart and Lung Institute, 1949 to 1970, by May Sherman. Ruth Allen, Editorial Assistant and Bibliographer; Subject Index by Ellen M. Barnes. Bethesda, Md, 1971.

National Heart and Lung Institute, et al. Rhythm of the Heart: A Review of Research Grants Supported by the National Heart and Lung Institute, 1949 to 1970, by May Sherman. Ruth Allen, Editorial Assistant and Bibliographer; Subject Index by Ellen M. Barnes. 1971.