title: Direct Observation of the Transfer of Pronuclei in Living Conjugants of Paramecium bursaria.
authors.forename: R
authors.initials: R
authors.lastname: Wichterman
mesh_terms: D000818:Animals; D002467:Cell Nucleus; D004063:Digestion; D056890:Eukaryota; D007448:Invertebrates; D010247:Paramecium