id	keyword
ct-12567	testis
ct-12567	testicular
ct-12567	dog
ct-12567	orchitis
ct-12567	male
ct-12567	epididymitis
ct-12567	immune
ct-12567	canine
ct-12567	sperm
ct-12567	blood
ct-12567	infection
ct-12567	infertility
ct-12567	reproductive
ct-12567	vet
ct-12567	scrotal
ct-12567	treatment