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.
Title:Relationship between dose of cloprostenol and age of corpus luteum on the luteolytic response of early dioestrous mares: a field study / J. Cuervo-Arango and J. R. Newcombe.