# The physiological costs of wearing respiratory protective devices

> 1995 doctoral thesis by Ian Stewart Laird at Massey University

**Wikidata**: [Q111965217](https://www.wikidata.org/wiki/Q111965217)  
**Source**: https://4ort.xyz/entity/the-physiological-costs-of-wearing-respiratory-protective-devices


## References

1. [Source](http://hdl.handle.net/10179/3010)