Proceedings of the National Academy of Sciences of the United States of America. Biological sciences. - National Academy of Sciences (U.S.) (Biological sciences, 1980)
Title from cover.
Pagination alternates with: Proceedings of the National Academy of Sciences of the United States of America. Physical sciences, ISSN 0273-1142
Merged with: Proceedings of the National Academy of Sciences of the United States of America. Physical sciences, ISSN 0273-1142; to form: Proceedings of the National Academy of Sciences of the United States of America (1985), ISSN 0027-8424
Keywords: Biology / Periodicals. / http://id.loc.gov/authorities/subjects/sh2007101986