title: Daily fluctuations of DNA synthesis in the corneas of Rana pipiens.
mesh_terms: D000818:Animals; D001001:Anura; D002940:Circadian Rhythm; D003315:Cornea / Q000378:metabolism*; D004247:DNA / Q000096:biosynthesis*; D005260:Female; D008297:Male; D008938:Mitosis; D011894:Rana pipiens; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D014316:Tritium; D004247:DNA; D013936:Thymidine