Description | Gives details of assays of Jorpes' samples of secretin - says that N G Heatley emphasises that values are approximate and will probably be revised after final assays - is sending two preparations of secretin, 0/1 and LHP 18 - comments on these - suggests that Jorpes corresponds directly with Abraha, Newton or Heatley - hopes to send copy of Love's paper describing his rat assay method for secretin before long. |