Dystocia in free-ranging sika deer Cervus nippon under food limitation Takahashi, Hiroshi and Matsuura, Yukiko and Ueno, Mayumi and Shima, Eriko and Tanaka, Yuka and Tanaka, Junpei and Kaji, Koichi, Mammal Study, 30, 77-81 (2005), DOI:http://dx.doi.org/10.3106/1348-6160(2005)30[77:DIFSDC]2.0.CO;2