TY - GEN AU - OSGOOD,E E AU - KRIPPAEHNE,M L TI - The gradient tissue culture method SN - 0014-4827 PY - 2003///0501 KW - Tissue Culture Techniques N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0014-4827(55)90165-8 ER -