أصفاد (شعر)

Compiled with the advice of clinical experts and continually updated to reflect the latest evidence from credible sources worldwide, the new edition of the British National Formulary 77 (BNF) provides up-to-date guidance on prescribing, dispensing, and administering medicines

Modern and up-to-date -- the comprehensive and concise guide to the practice of otorhinolaryngology and head and neck surgery