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2. Transsphenoidal surgery of hypersecreting pituitary tumours;Hardy, J.,1973
3. Trans-sphenoidal microsurgical removal of pituitary micro-adenoma;Hardy, J.;Progress in Neurological Surgery,1975
4. Treatment of acromegaly: radiation or surgery?;Hardy, J.; Somma, M.; L, Vezina J.,1976
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