Minutes of the second meeting held of Working Group on trends in the Demand for Blood Products, re Factor VII and albumin, Chairperson, P. Benner, Dr. A. E. Bull, Dr. J. L. Cannon, Dr. J. Darnborough, Dr. Helen Dodsworth, Dr. I. Gilles, Dr. W. dA Maycock, Dr. Sheila L. Waiter and T. E. Dutton