00711cam a22002171 4500 med47002168 DLC 20260227111605.0 850114s1947 cauac 000 0aeng med47002168 //r93 DLC/ICU ICU DLC R154.P47 A3 Peterson, Frederick William, 1869- Desert pioneer doctor and Experiences in obstetrics ... [Calexico, Calif.] Calexico Chronicle, 1947. 130, 85 p. illus., ports. 22 cm. Physicians Biography. Obstetrics. Peterson, Frederick William, 1869- Experiences in obstetrics. 1947. Experiences in obstetrics. 38523 38523