https://lovelybooks.club/book/1091202.Canine_and_Feline_Endocrinology_and_Reproduction&from_srp=true&qid=tL25FtHEjS&rank=1
https://lovelybooks.club/book/24654127-canine-and-feline-endocrinology---e-book&from_srp=true&qid=tL25FtHEjS&rank=3