TY  - RPRT
TI  - Breeding difficulties with a stud dog.
AU  - I Johnstone
PY  - 1985
DO  - 10.1111/j.1751-0813.1985.tb14240.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3994607/
ID  - 3994607
ER  -