Still, it is easy to come up with. other ways in which smokers and nonsmokers might not. be comparable, and some critics did this. There are. differences in personality, the critics observed, and per-. haps also differences in genetics. Recognizing that hidden bias is always a possibility in. principle, Cornfield and colleagues (5) tried to bring. some order-to such criticisms of the smoking studies. They asked the following question.
Maghreb means west. The countries of the Maghreb region of Northwest Africa (which is sometimes called Maghrib)are Tunisia, Algeria, Morocco, Libya, and Mauritania. Traditioâ¦nally the geographical region included only Morocco, Algeria, Tunisia, and Libya. The Arab Mahgreb Union of 1989 included Mauritania in the economic group.
â¦Muslim world. The Maghribi explorer Ibn Baá¹­á¹­Å«á¹­ah (died 1368/69 or 1377) described his extensive travels to East Asia, India, and Mali in a book filled with