The lung health study : design of the trial and recruitment of participants.
Inhalt Karte:312,870 LUNG The lung health study : design of the trial and recruitment of participants. - [New York] ; Elsevier, 1993. - [5], 83, [1] s. : wykr. ; 25 cm (Controlled Clinical Trials, ISSN 0197-2456 ; vol. 14, nr.2, suppl.) Tytuł okładkowy