The athymic nude rat. I. Morphology of lymphoid and endocrine organsJG Vos, JM Berkvens, BC Kruijt31/12/1980Tijdschriftartikel
Surveillance of penicillinase-producing gonococci in the NetherlandsB van Klingeren, JDA van Embden, LJ van Wijngaarden31/12/1980Tijdschriftartikel
Sulphur dioxide measurements on the 213 metre tower at Cabauw; The NetherlandsH van Dop, IB de Ridder, JF den Tonkelaar, ND van Egmond31/12/1980Tijdschriftartikel
Study on the kinetics of globule leucocytes in the instetinal epithelium of rap after single or double infection with Trichinella spiralisEJ Ruitenberg, A Elgersma31/12/1980Tijdschriftartikel
Staphylococcal food poisoning by consumption of sterilized vanilla custardHJ Beckers, RA Couthino, JT Jansen, WJ van Leeuwen31/12/1980Tijdschriftartikel
Stabilities of Clostridium botulinum type B and C toxins in ruminal contents of cattleS Kozaki, S Notermans31/12/1980Tijdschriftartikel
Spontaneous tumours in the pituitary gland of old Wistar rats. A morphological and immunocytochemical studyJM Berkvens, JHJ van Nesselrooij, R Kroes31/12/1980Tijdschriftartikel
Sources of variation in a Salmonella isolation procedureM van Schothorst, FM van Leusden31/12/1980Tijdschriftartikel