TY - GEN AU - STEINERT,M TI - [Free purines and mononucleotides in the frog embryo] SN - 0014-4754 PY - 2004///0215 KW - Animals KW - Anura KW - Nucleic Acids KW - metabolism KW - Purines N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/BF02166399 ER -