div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Effects of Marijuana and Tobacco Smoke on Human Lung Physiology src=https:reader030fdocumentsinreader030viewer20220203125750684a1a28ab0f07af7c89html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1973 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Effects of Marijuana and Tobacco Smoke on Human Lung Physiology src=https:reader030fdocumentsinreader030viewer20220203125750684a1a28ab0f07af7c89html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divp© 1973 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: Effects of Marijuana and Tobacco Smoke on Human Lung Physiology src=https:reader030fdocumentsinreader030viewer20220203125750684a1a28ab0f07af7c89html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divp© 1973 Nature Publishing Grouppdiv