Unequal crossing over in the ribosomal DNA of Saccharomyces cerevisiae.

Interspecies homology of nitrogenase genes.

The effect of oxandrolone on low and high density lipoprotein profiles in retired breeder rats.

Interspecies homology of nitrogenase genes.

Glutamine synthetase mutations which affect expression of nitrogen fixation genes in Klebsiella pneumoniae.

Insertion of a genetic marker into the ribosomal DNA of yeast.

Directive segregation in the basis of colE1 plasmid incompatibility.

Cyanobacterial ribonucleic acid polymerases recognize lambda promoters.

Overlapping sequences of Klebsiella pneumoniae nifDNA cloned and characterized.

Radiochemical identification of the kil gene product of bacteriophage lambda.

Physical map of chromosomal nitrogen fixation (nif) genes of Klebsiella pneumoniae.

Regional in vitro uptake of a synthetic 3H-labeled-melanin into rat brain.

Recombinant plasmid that carries part of the nitrogen fixation (nif) gene cluster of Klebsiella pneumoniae.

Melanin in the rat brain.

Specific binding of a synthetic oligodeoxyribonucleotide to yeast cytochrome c mRNA.

Recombination between bacterial plasmids leading to the formation of plasmid multimers.

Radiochemical purification of bacteriophage lambda integrase.

Early and late hemodynamic effects of mitral commissurotomy.

Quantitation of beat-to-beat changes in stroke volume from the aortic pulse contour in man.

Surgical treatment of infundibular stenosis with intact ventricular septum.

Pulmonary artery wedge pressures in mitral valve disease; relationship to left atrial pressures.