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Tubercle|June 1, 1978
Stability of dilute solutions of tuberculin purified protein derivativeS Landi, H R HeldHNO|June 1, 1980
[Genetically determinded deafness; 5 cases of Pendred's syndrome (author's transl)]K Hörmann, K R HeldActa Universitatis Carolinae. Medica|January 1, 1992
Chromosomal mosaicism in prenatal diagnosis: a problem still unsolvedS Kerber, K R HeldJournal of Biological Standardization|January 1, 1977
Water permeability of elastomersH R Held, S LandiPrenatal Diagnosis|January 1, 1993
Early genetic amniocentesis--4 years' experienceS Kerber, K R HeldPrenatal Diagnosis|May 1, 1984
The effect of oxygen tension on colony formation and cell proliferation of amniotic fluid cells in vitroK R Held, S SönnichsenScience (New York, N.Y.)|October 15, 1971
Color- and edge-sensitive channels in the human visual system: tuning for orientationR Held, S R ShattuckInvestigative Ophthalmology & Visual Science|August 1, 1983
The development of binocular summation in human infantsE E Birch, R HeldVision Research|January 1, 1982
The postnatal development of monocular optokinetic nystagmus in infantsJ R Naegele, R HeldPageof 33