SFTPB and hyperinsulinemic hypoglycemia, familial, 4: The ability of DEPN-8+1.5% bovine SP-B/C to resist inhibition by PLA2, albumin or LPC to an equal or greater extent than CLSE in these prior studies is impressive, since this calf lung surfactant extract is known to have high activity in mitigating surfactant deficiency and/or dysfunction in animal models and patients ([1], [20], [38] for review).