TY - JOUR T1 - The identification of ᴅ-tryptophan as a bioactive substance for postembryonic ovarian development in the planarian Dugesia ryukyuensis JF - Scientific Reports Y1 - 2017 A1 - Kobayashi, Kazuya A1 - Maezawa, Takanobu A1 - Tanaka, Hiroyuki A1 - Onuki, Hiroyuki A1 - Horiguchi, Yurie A1 - Hirota, Hiroshi A1 - Ishida, Tetsuo A1 - Horiike, Kihachiro A1 - Agata, Yasutoshi A1 - Aoki, Manabu A1 - Hoshi, Motonori A1 - Matsumoto, Midori SP - 45175 EP - PB - The Author(s) VL - 7 UR - http://dx.doi.org/10.1038/srep45175 ER -