RT Journal Article SR Electronic T1 THE COLD SPRING HARBOR BIOLOGICAL LABORATORY JF Science JO Science FD American Association for the Advancement of Science SP 332 OP 332 DO 10.1126/science.59.1528.332 VO 59 IS 1528 A1 Harris, R. G. YR 1924 UL http://science.sciencemag.org/content/59/1528/332.1.abstract AB