Influence of tube-spacer on aerosol efficacy.

Autor: Spicer JE, Cayton RM, Frame MH, Winsey NJ
Jazyk: angličtina
Zdroj: Lancet (London, England) [Lancet] 1980 Dec 06; Vol. 2 (8206), pp. 1248.
DOI: 10.1016/s0140-6736(80)92505-2
Databáze: MEDLINE