Donadio S, Staver MJ, McAlpine JB, Swanson SJ, Katz L (1991)
Modular organization of genes required for complex polyketide biosynthesis
Science 252: 675

Weber JM, Leung JO, Swanson SJ, Idler KB, McAlpine JB (1991)
An erythromycin derivative produced by targeted gene disruption in Saccharopolyspora erythraea.
Science 252: 114