The role of beta-carotene in cancer prevention : epidemiological studies on cervical dysplasia / Henrica Cornelia Wilhelmina de VetSynthesis and application of isotopically and chemically modified spheroidenes : on the role of carotenoids in photosynthesis / Ronald GebhardBeta-carotene and cancer risk : a trial in smokers using biomarkers as intermediate endpoints / Gerardus Arnoldus Franciscus Catharina van PoppelSynthesis of 13C labelled astaxanthin, spheroidene and β-carotene : strategies for the preparation of isotopically labelled carotenoids for molecular biology research / Franciscus Johannes Henricus Maria JansenThe photochemistry of carotenoids / edited by Harry A. Frank ... [et al.]The role of beta-carotene in cancer prevention : epidemiological studies on cervical dysplasia / Henrica Cornelia Wilhelmina de VetBeta-carotene and cancer risk : a trial in smokers using biomarkers as intermediate endpoints / Gerardus Arnoldus Franciscus Catharina van PoppelSexual coloration and aging / Mirre Johan Philip SimonsSexual coloration and aging / Mirre Johan Philip Simons