Petrogenesis of metamorphic rocks / by 456267 Bucher, Kurt, Frey, Martin

An introduction to bankruptcy law / by 257057 Frey, Martin A., Swinson, Sidney K.

Introduction to bankruptcy law / by 257057 Frey, Martin A., Frey, Phyllis Hurley, Swinson, Sidney K.

An introduction to the law of contracts / by 257057 Frey, Martin A., Bitting, Terry H., Frey, Phyllis Hurley

Recruitment barriers in a randomized controlled trial from the physicians' perspective – A postal survey by Karrer Werner, Turk Alexander, Frey Martin, Spaar Anne, Puhan Milo A

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Value of supplemental interventions to enhance the effectiveness of physical exercise during respiratory rehabilitation in COPD patients. A Systematic Review by Schünemann Holger J, Puhan Milo A, Frey Martin, Bachmann Lucas M

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Interval exercise versus continuous exercise in patients with moderate to severe chronic obstructive pulmonary disease – study protocol for a randomised controlled trial [ISRCTN116... by Zaugg Christian, vanOort Evelien, Büsching Gilbert, Puhan Milo A, Schünemann Holger J, Frey Martin

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Self-administration and interviewer-administration of the German Chronic Respiratory Questionnaire: instrument development and assessment of validity and reliability in two randomi... by Lichtenschopf Alfred, Brandli Otto, Grueter Thomas, Frey Martin, Behnke Michaela, Puhan Milo A, Guyatt Gordon H, Schunemann Holger J

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Accelerated decline in lung function in smoking women with airway obstruction: SAPALDIA 2 cohort study by Zemp Elisabeth, Bettschart Robert, Burdet Luc, Gerbase Margaret W, Künzli Nino, Schindler Christian, Zellweger Jean-Pierre, Brändli Otto, Downs Sara H, Frey Martin, Keller Roland, Tschopp Jean-Marie, Leuenberger Philippe, Ackermann-Liebrich Ursula

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