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عنوان الكتاب المؤلف دار النشر السنة رقم التصنيف
Nicotine and the tobacco smoking habit Pergamon 1984 QV 4 I58 section 114 1984
Nicotine smoking & the low tar programme WHO Oxford Univ.press 1989
Nicotine smoking & the low tar programme 1986 QV 137 N6624 1986
The nightingale research foundation review of the clinical and scientific basis of myalgic encephalomyelitis Hyde,Byron M. 1992 WN 185 H993n 1992
Nitrogen oxides WHO WHo 1997 WA 754 W927n 1997
Nitropropane WHO WHO 1992 QV 633 W927n 1992
NMR-Tomography of the normal brain Gademann ,Gunther Springer -verlag 1984 WL 17 G124n 1984
The metabolism of the human brain studied with positron emission tomograph Nobel conference (Karolinska institutet ) Raven Press 1983 WL 300 N744 1983m
Noninvasive diagnosis of vascaular disease Butterworths 1984 WG 500 N8125 1984
Nonsurgical biliary drainage Springer -verlag 1984 WI 703 N814 1984