TY - RPRT TI - A technique for testing macromolecular samples in solution for morphogenetic effects on the isolated ectoderm of the amphibian gastrula. AU - T YAMADA AU - K TAKATA PY - 1961 DO - 10.1016/0012-1606(61)90026-4 UR - https://pubmed.ncbi.nlm.nih.gov/13787097/ ID - 13787097 ER -