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Embryo wastage in the ewe following induction of ovulation with synthetic gonadotrophin releasing hormone (GnRH).

• Stewart Walker, Rudolf Lampe, Tomas Heard, Charles D Matthews, Robert F. Seamark
• Australian veterinary journal
• 1990

Surgical Replacement of Implantable Pulse Generators in Deep Brain Stimulation: Adverse Events and Risk Factors in a Multicenter Cohort.

• Anders Fytagoridis, Tomas Heard, +7 authors Patric C Blomstedt
• Stereotactic and functional neurosurgery
• 2016

BACKGROUND Deep brain stimulation (DBS) is a growing treatment modality, and most DBS systems require replacement of the implantable pulse generator (IPG) every few years. The literature regarding… (More)

In vitro assessment of the viability of sheep zygotes after pronuclear microinjection.

• Stewart Walker, Tomas Heard, +5 authors Robert F. Seamark
• Reproduction, fertility, and development
• 1990

Microinjected sheep zygotes were cultured in synthetic oviduct fluid medium (SOFM) for either 1 or 3 days and their subsequent developmental capacity was compared with that of microinjected zygotes… (More)

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