共 22 条
- [1] BLAKELY RL, 1969, BIOCH FOLIC ACID REL, P188
- [4] CONDIT PT, 1971, ANN NY ACAD SCI, V186, P475
- [8] EISENFELD A. J., 1962, PROC AMER ASSOC CANCER RES, V3, P316
- [9] OXYGEN ANALOGS OF PTEROIC ACID [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1954, 76 (03) : 676 - 679