Peach, H., Hayward, D. M., Ellard, D. R., Morris, R. W., & Shah, D. (1986). Phlegm production and lung function among cigarette smokers changing tar groups during the 1970s.
Dyfyniad Arddull ChicagoPeach, H., D M. Hayward, D R. Ellard, R W. Morris, and D. Shah. Phlegm Production and Lung Function Among Cigarette Smokers Changing Tar Groups During the 1970s. 1986.
Dyfyniad MLAPeach, H., et al. Phlegm Production and Lung Function Among Cigarette Smokers Changing Tar Groups During the 1970s. 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.