TY - BOOK AU - Curtis,N. AU - Birdsall,B. AU - Bloxsidge,J. AU - Feeney,J. AU - Gibson,C.L. AU - Jones,J.R. AU - Moore,S. TI - 3H-n.m.r. studies of multiple conformations and dynamic processes in complexes of folate and methotrexate with Lactobacillus casei dihydrofolate reductase ER -