TY - RPRT TI - Circular dichroism and structure- function relationships in cloacin DF13- immunity protein complex. AU - W Gaastra AU - G Koopmans AU - F K de Graaf PY - 1978 DO - 10.1016/0006-291x(78)91109-9 UR - https://pubmed.ncbi.nlm.nih.gov/623661/ ID - 623661 ER -