Frosted flies.
Ashburner
M
M
Department of Genetics, University of Cambridge, United Kingdom.
D000818:Animals; D015925:Cryopreservation; D004330:Drosophila / Q000166:cytology / Q000196:embryology*; D004331:Drosophila melanogaster / Q000166:cytology / Q000196:embryology* / Q000235:genetics; D004625:Embryo, Nonmammalian / Q000166:cytology*