Economic burden of pneumonia in an employed population
Arch Intern Med 2001 Dec 10-24;161(22):2725-31
Authors
Birnbaum HG, Morley M, Greenberg PE, Cifaldi M, Colice GL
Arch Intern Med 2001 Dec 10-24;161(22):2725-31
Birnbaum HG, Morley M, Greenberg PE, Cifaldi M, Colice GL