Titles
- Letter from Joshua Lederberg to Mario U. Dianzani1
- Letter from Joshua Lederberg to Salvador E. Luria1
- Letter from Joshua Lederberg to Werner K. Maas1
- Letter from Linus Pauling to Seeley G. Mudd1
- Letter from Maxine Singer to F. James Charney1
- Letter from R. H. Felix to Mary Lasker1
- Letter from Raymond L. Latarjet to Esther Lederberg1
- Letter from Robert Paul Levine to Joshua Lederberg1
- Letter from Robert Paul Levine to Joshua and Esther Lederberg1
- Letter from Seymour S. Cohen to Joshua Lederberg1
- Letter from Theodore Melnechuk to Marshall W. Nirenberg1
- Letter from Warren Weaver to Linus Pauling1
- Linking state Medicaid data and birth certificates for maternal health research1
- Looking Back1
- Meta-analysis of federally funded teen pregnancy prevention programs: final report1
- Meta-analysis of federally funded teen pregnancy prevention programs: technical supplement1
- Methods for laboratory technicians, 19411
- Migraine: developing drugs for acute treatment1
- Morbidity reporting requirements including report forms and instructions of the Public Health Service as of July 1, 19481
- Morphologic Variation in Pneumococcus: I. An Analysis of the Bases for Morphologic Variation in Pneumococcus and Description of Hitherto Undefined Morphologic Variant1