See History of Arizona medicine; collections of Orville Harry Brown, M.D. [AHSL Special Collections WZ 70 AA7 H673].
J Am Med Assoc. 1902;XXXVIII(3):183: Iowa. Personal. Dr. Gysbert P. Van Marel, Oto, has opened an office in Pella.
      
  J Am Med Assoc. 1902;XXXVIII(3):183: Iowa. Personal. Dr. Gysbert P. Van Marel, Oto, has opened an office in Pella.
Master pnID
              AMH-PN3835
          Src1 DP
              AHSL-DP
          History of Arizona medicine; collections of Orville Harry Brown, M.D. [AHSL Special Collections WZ 70 AA7 H673]
              volume 6, page(s) 358
           OHB Checked
              y
          Residence(s)
          Oto IA
          Glendale