1. A controlled internal drug-release dispenser containing progesterone for control of the estrous cycle of ewes;Ainsworth;Theriogenology,1986
2. Progesterone blood levels in sheep;Barnes,1985
3. CIDR dispensers - ewe and hogget plasma progesterone levels during the insertion period;Barnes,1986
4. Comparisons between two types of CIDR (types S and G) in non-parous and parous ewes;Barnes,1985
5. Evaluation of progesterone controlled internal drug release dispensers in sheep;Carlson,1987