Berry, Roberta M Three stages in the lifecycle of bioethics: observations on "bioethics as co-PI". [electronic resource] - The American journal of bioethics : AJOB - 30-2; discussion W10-3 p. digital Publication Type: Comment; Historical Article; Journal Article ISSN: 1536-0075 Standard No.: 10.1080/15265160500388632 doi Subjects--Topical Terms: Bioethics--historyBiomedical Research--ethicsEmbryo Research--ethicsEthics, ResearchHistory, 20th CenturyHumansMoral ObligationsPolitics