Vanos JL, Oldenkamp EP (September 1978). "Oestrus control in bitches with proligestone, a new progestational steroid". The Journal of Small Animal Practice. 19 (9): 521–529. doi:10.1111/j.1748-5827.1978.tb05534.x. PMID567718.
"Proligestone". Medical Subject Headings: Supplementary chemical records. U.S. National Library of Medicine.
pubmed.ncbi.nlm.nih.gov
Vanos JL, Oldenkamp EP (September 1978). "Oestrus control in bitches with proligestone, a new progestational steroid". The Journal of Small Animal Practice. 19 (9): 521–529. doi:10.1111/j.1748-5827.1978.tb05534.x. PMID567718.