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"We have the duty of formulating, of summarizing and of communicating our conclusions, in intelligible form, in recognition of the right of other free minds to utilize them in making their own decisions." Ronald Fisher The book in your hands is an attempt in this difficult but rewarding path.This book is an original approach and is dedicated to the cause of inspiring the students for a major thrust in academics and research. The book includes extensive coverage of the topic and incorporates many real photographs, tables, bar graphs and line graphs that ensures easy understanding and grasp of...

The present study was undertaken to establish the effect of pollutants in the form of auto exhaust, gases etc on respiratory airways of healthy non smoking bus drivers in the age group of 20-55 years, by measuring peak expiratory flow rate (PEFR) values.Results were compared with healthy non-smoking persons in the age group of 20 yrs. to 55 yrs. engaged in the works other than bus driving.Influence of age, height, weight, body surface area and duration of exposure on PEFR was studied. PEFR test was performed by using Mini Wrights Peak Flow Meter. RESULTS: Mean PEFR of bus drivers was found...