Title:Ultrasound confirmation of ovulation in mares : a normal corpus luteum or a hemorrhagic anovulatory follicle? / Juan Cuervo-Arango Lecina and John Newcombe.
Title:Ultrasound characteristics of experimentally induced luteinized unruptured follicles (LUF) and naturally occurring hemorrhagic anovulatory follicles (HAF) in the mare / J. Cuervo-Arango Lecina and John R. Newcombe.