https://koha.duhs.edu.pk/cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22Protective%20Devices%22&sort_by=relevance&format=rss 2 0 50 ISBN:412227509 https://koha.duhs.edu.pk/cgi-bin/koha/opac-detail.pl?biblionumber=14686 London ; New York : Chapman and Hall, 1981 .
x, 376 p. : , Based on a symposium held jointly between the Royal Society of Medicine, the British Occupational Hygiene Society, and the Chemical Defence Establishment in 1980. 412227509

]]> Place hold on Respiratory protection :

]]> https://koha.duhs.edu.pk/cgi-bin/koha/opac-detail.pl?biblionumber=14686 ISBN:412227509 https://koha.duhs.edu.pk/cgi-bin/koha/opac-detail.pl?biblionumber=14687 London ; New York : Chapman and Hall, 1981 .
x, 376 p. : , Based on a symposium held jointly between the Royal Society of Medicine, the British Occupational Hygiene Society, and the Chemical Defence Establishment in 1980. 412227509

]]> Place hold on Respiratory protection :

]]> https://koha.duhs.edu.pk/cgi-bin/koha/opac-detail.pl?biblionumber=14687