1. Lung lesions at slaughter: associations to factors in the pig herd;Aalund;Nord. Vet. Med.,1976
2. The relationship between disease incidences of fatteners registered at slaughter and environmental factors in herds;Backstrom;Nord. Vet. Med.,1978
3. Pleuropneumonia in swine due to Haemophilus pleuropneumoniae s. parahaemolyticus. II. Studies on the epidemiology and the relation to CP (pleural scars) in baconers;Christensen;Nord. Vet. Med.,1981
4. Pleurisy in slaughter swine. The aetiology and development of the disease in a conventional, closed swine herd with a high frequency of chronic pleurisy;Christensen;Dan. Vet.,1984
5. The prevalence of pneumonia, pleuritis, pericarditis and liver spots in Danish slaughter pigs in 1998, including comparation with 1994;Christensen;Dan. Vet.,1999