大田氏から若山氏に送られた物を取り寄せて調べたのなら、あえてこんな書き方はしないね。書く必要も無い。
Materials
All samples examined in this investigation had been stored at the laboratories of the original papers’ authors, except for FES1, FES2, ntES1 and ntES2 cells (given by H. Ohta) and Acr/cag-GFP mice (from the frozen embryonic stocks at the CDB).
