Da mchte ich als evtl.e Alternative den Grimm und Triebel 4 empfehlen
Proper breath testing protocols dictate that all possible sources of contaminate should be eliminated prior to beginning the observation and deprivation period in order to receive breath samples that are truly suitable for analysis
DOI: 10.1371/journal.pone.0275522 For more information on nicotine, smoking, and health studies at the Penn State Center for Research on Tobacco and Health, visit Susan Veldheer, Ahmad Hameed, Sophia Allen, Jessica Yingst, Erin Hammett, Jennifer Modesto, Nicolle Krebs, Courtney Lester, Neil Trushin, Lisa Reinhart, Emily Wasserman, Junija Zhu, Jason Liao, Joshua Muscat and John Richie of Penn State College of Medicine
( Read more: US surgeon general call for end of tobacco epidemic) It remains to be seen whether CVS's rivals will follow their lead on the tobacco ban or try to poach their customers