Now showing items 1-3 of 3

    • Josef Warkany (1902–1992) 

      Zietal, Bianca; Tantibanchachai, Chanapa
      Josef Warkany studied the environmental causes of birth defects in the United States in the twentieth century. Warkany was one of the first researchers to show that factors in the environment could cause birth defects, and ...
    • Katharina Dorothea Dalton (1916–2004) 

      Zietal, Bianca
      Katharina Dorothea Dalton was a physician in England in the twentieth century who defined premenstrual syndrome (PMS) as a cluster of symptoms suspected to begin one to two weeks before menstruation and disappear upon the ...
    • Sidney Q. Cohlan (1915-1999) 

      Zietal, Bianca; Tantibanchachai, Chanapa
      Sidney Q. Cohlan studied birth defects in the US during the twentieth century. Cohlan helped to discover that if a pregnant woman ate too much vitamin A her fetus faced a higher than normal risk of teratogenic effects, ...