Gene-Splicing Product Expected to Be Tested On Humans in a Year; GENE-SPLICING TESTS NEARING FOR PEOPLE Growth Hormone Called Effective 65,000 Pints of Blood
BETHESDA, Md. Recombinant DNA techniques, known popularly as gene-splicing, are being adapted so rapidly by industry that specialists expect the first tests in humans of potential medical products within a year, far in advance of what had often been predicted.