31. National Institutes of Health: Guidelines for Research Involving Recombinant DNA Molecules [Index and introduction] Publication: National Institutes of Health (U.S.), [June 1976] Subject(s): Guidelines as TopicDNA, Recombinant Archival Collection: The Donald S. Fredrickson Papers (Profiles in Science)
32. Containment Publication: National Institutes of Health (U.S.), [June 1976] Subject(s): DNA, RecombinantGuidelines as TopicContainment of Biohazards Archival Collection: The Donald S. Fredrickson Papers (Profiles in Science)
33. Experimental Guidelines Publication: National Institutes of Health (U.S.), [June 1976] Subject(s): DNA, RecombinantGuidelines as TopicContainment of Biohazards Archival Collection: The Donald S. Fredrickson Papers (Profiles in Science)