title: In vitro histotypic reaggregation of fetal rat lung cells following cryopreservation and storage in liquid nitrogen.
mesh_terms: D000818:Animals; D002478:Cells, Cultured; D004395:Dye Dilution Technique; D005333:Fetus / Q000033:anatomy & histology; D005615:Freezing; D008168:Lung / Q000166:cytology* / Q000648:ultrastructure; D008854:Microscopy, Electron; D011309:Preservation, Biological; D051381:Rats; D013997:Time Factors