http://tumj.tums.ac.ir Tehran University of Medical Sciences Journal - Journal articles for year 1968, Volume 26, Number 5 Yektaweb Collection - https://yektaweb.com en 1968/4/12 http://journals.tums.ac.ir/tumj/browse.php?a_id=2349&sid=1&slc_lang=en http://journals.tums.ac.ir/tumj/browse.php?a_id=2350&sid=1&slc_lang=en