R-factor cointegrate formation in Salmonella typhimurium bacteriophage type 201 strainsR Helmuth, E Stephan, E Bulling, WJ Leeuwen, JDA Embden, PAM Guinee, D Portnoy, S Salkow31/12/1981Journal Article
Pyrolysis-high-resolution mass spectrometry of biological materialsJ Freudenthal, JH Canton, GJ Hovee, RCC Wegman31/12/1981Journal Article
Production of monoclonal antibodies against poliovirus type 1ADME Osterhaus, AL Wezel, G Steenis, G Drost31/12/1981Journal Article
Present state and developments in the production of inactivated poliomyelitis vaccineAL Wezel31/12/1981Journal Article
Pregnancy diagnosis in Macaca fascicularis. Hemagglutination inhibition test for urinary chorionic gonadotropin and implantation bleedingR Boot, LG Huis in 't Veld31/12/1981Journal Article
Pharmacological protection against the gastric toxicity of non-steroid anti-inflammatory drugs. A study with prostaglandins, antioxidants and radical scavenging compounds in ratsAA Kolfschoten31/12/1981Journal Article
Persistence of Clostridium botulinum type B on a cattle farm after an outbreak of botulismS Notermans, J Dufrenne, J Oosterom31/12/1981Journal Article
Pathologische veranderingen in het endocriene systeem onder invloed van beta-HCHLHJC Danse, FL Velsen, MJ Logten31/12/1981Journal Article
Pathologie van de rattelong na blootstelling aan NO2JAMA Dormans, PJA Rombout31/12/1981Journal Article