Maarsen E M
Tijdschr Diergeneeskd. 1984 Mar 1;109(5):190-7.
The present paper is concerned with a number of features such as feeding, housing, and reproduction. In addition, attention is paid to clinical pictures of importance in the field, with reference to diagnosis and treatment, in so far as they are stated in the literature. The paper concludes with a list of types of differential diagnosis.