RonaldAJohannsenMD

PubMed

• The Impact of a Handheld Ultrasound Device in a Rheumatic Heart Disease Screening Program in Ethiopia.
  Kaltenborn, Z., Zewde, A., Kirsch, J., Yates, M., Tessier, K., Nemec, E., Johannsen, R.> ;POCUS Journal. 2023 Jan 1
• 2 citations
  Saving time saves lives! A time focused evaluation of a single-view echocardiographic screening protocol for subclinical rheumatic heart disease.
  Ronald A Johannsen, Zachary P Kaltenborn, Gautam R Shroff> ;International Journal of Cardiology. 2022 Mar 15
• 6 citations
  Catheterization laboratory activation during mechanical cardiopulmonary resuscitation: when should we say "No?".
  Ankur Kalra, Valmiki R Maharaj, Ronald A. Johannsen, Steven M. Hollenberg> ;Catheterization and Cardiovascular Interventions. 2014 Jan 1
• 2 citations
  Right ventricular pacing for right ventricular outflow tract obstruction in a man with biventricular hypertrophic cardiomyopathy.
  Sarah E. Nelson, Gautam R. Shroff, Ronald A. Johannsen, Rehan Karim> ;Texas Heart Institute Journal. 2013 Jan 1
• Status and transcriptional activity of a bovine-papillomavirus-I-based expression vector in a recombinant production cell line.
  Fibi, M. R., Kunz, J., Weimer, T., Schulz, R., Teifke, P., Grzeschik, K. H., Johannsen, R., Zettlmeissl, G.> ;Biotechnol Appl Biochem. 1996 Feb
• Status and transcriptional activity of a bovine-papillomavirus-I-based expression vector in a recombinant production cell lines.
  Fibi, M. R., Kunz, J., Weimer, T., Schulz, R., Teifke, P., Grzeschik, K. H., Johannsen, R., Zettlmeissl, G.> ;Biotechnol Appl Biochem. 1996 Apr
• [Genetic technology-derived drugs in technical-political discussion].
  Johannsen, R.> ;Pharm Unserer Zeit. 1993 Nov
• [New placental protein (PP15) with immunosuppressive properties (author''s transl)].
  Bohn, H., Johannsen, R., Kraus, W.> ;Arch Gynecol. 1980
• "Floating" pacemaker electrode fracture and separation.
  McBride, J. W., Johannsen, R., Campion, B. C., Sukhum, P., Long, L. A., Madison, J. D.> ;Minn Med. 1981 Nov
• Blood transfusion-induced suppression of cellular immunity in man.
  Fischer, E., Lenhard, V., Seifert, P., Kluge, A., Johannsen, R.> ;Hum Immunol. 1980 Oct
• The quantification of the haemagglutinin content of influenza whole virus and Tween-ether split vaccines.
  Johannsen, R., Moser, H., Hinz, J., Friesen, H. J., Gruschkau, H.> ;J Biol Stand. 1983 Oct
• [Protective action of undegraded and S-sulfonated 7S antibodies in 4 different experimental virus infections].
  Johannsen, R., Kanzy, E. J., Ackerman, O., Barth, R., Bengelsdorff, H. J., Hinz, J., Weinmann, E., Gruschkau, H., Seiler, F. R.> ;Beitr Infusionther Klin Ernahr. 1982
• Characterization of transfusion-induced suppressor cells in prospective kidney allograft recipients.
  Lenhard, V., Massen, G., Seifert, P., Johannsen, R., Grosse-Wilde, H.> ;Transplant Proc. 1982 Jun
• Complement and complement-like activity in lower vertebrates and invertebrates.
  Day, N. K., Gewurz, H., Johannsen, R., Finstad, J., Good, R. A.> ;J Exp Med. 1970 Nov
• HL-A antibodies in chimpanzees after specific treatment with human leukocytes and antihuman lymphocyte globulin.
  Johannsen, R., Seiler, F. R.> ;Transplant Proc. 1972 Mar
• Interactions between endotoxic lipopolysaccharides and the complement system in the sera of lower vertebrates.
  Day, N. K., Good, R. A., Finstad, J., Johannsen, R., Pickering, R. J., Gewurz, H.> ;Proc Soc Exp Biol Med. 1970 Apr 01
• A comparative study of the bactericidal activity of horseshoe crab (Limulus polyphemus) hemolymph and vertebrate serum.
  Johannsen, R., Anderson, R. S., Good, R. A., Day, N. K.> ;J Invertebr Pathol. 1973 Nov 01
• [Specificity of lymphocytotoxic antibodies. Analysis of patients with positive cytotoxic reactions to homologous lymphocytes].
  Malchow, H., Klingelhöfer, H. L., Johannsen, R.> ;Verh Dtsch Ges Inn Med. 1974 Jan 01
• Blood group and HL-A specific substances in immune globulin and albumin preparations of human placental origin.
  Knoop, J., Johannsen, R.> ;Dev Biol Stand. 1974 Jan 01
• Characterization of lymphocyte subpopulations of nonhuman primates separated by free-flow electrophoresis.
  Seiler, F. R., Johannsen, R., Sedlacek, H. H., Zeiller, K.> ;Transplant Proc. 1974 Jun 01
• Quantification of haemagglutinin of influenza Tween-ether split vaccines by immunodiffusion.
  Johannsen, R., Moser, H., Hinz, J., Friesen, H. J., Gruschkau, H.> ;Vaccine. 1985 Sep 01
• Pitfalls of single radial immunodiffusion techniques used for the quantification of influenza haemagglutinin.
  Johannsen, R., Hinz, J., Gruschkau, H.> ;Dev Biol Stand. 1986
• Inactivation of recombinant plasmid DNA from a human erythropoietin-producing mouse cell line grown on a large scale.
  Fibi, M. R., Bröker, M., Schulz, R., Johannsen, R., Zettlmeissl, G.> ;Appl Microbiol Biotechnol. 1991 Aug
• Effect of free fatty acids and phospholipids on growth of and product formation by recombinant baby hamster kidney (rBHK) and Chinese hamster ovary (rCHO) cells in cul...
  Schmid, G., Zilg, H., Eberhard, U., Johannsen, R.> ;J Biotechnol. 1991 Feb
• Repeated batch cultivation of rBHK cells on Cytodex 3 microcarriers: antithrombin III, amino acid, and fatty acid metabolic quotients.
  Schmid, G., Zilg, H., Johannsen, R.> ;Appl Microbiol Biotechnol. 1992 Dec
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