Lunar Cycle Influences Spontaneous Delivery in Cows Yonezawa, Tomohiro ; Uchida, Mona ; Tomioka, Michiko ; Matsuki, Naoaki Abstract Publication: PLoS ONE Pub Date: August 2016 DOI: 10.1371/journal.pone.0161735 Bibcode: 2016PLoSO..1161735Y