title: Patenting time: a response to Professor Reijo Pera's argument that the cell cycle of an embryo developing in vitro is not natural.
abstract: A response to the Commentary 'More than just a matter of time' by Renee Reijo Pera.
authors.affiliation: RBM Online, Duck End Farm, Dry Drayton, Cambridge CB23 8DB, United Kingdom. office@rbmonline.com
authors.forename: Jacques
authors.initials: J
authors.lastname: Cohen
mesh_terms: D000818:Animals; D002453:Cell Cycle; D004477:Ectogenesis; D006801:Humans; D019368:Nature; D010330:Patents as Topic; D013995:Time
keywords: cell cycle; embryo development; natural phenomena; patents