1. This total duration is increased because;stray cases;Arch. Ped,1943
2. This total duration is increased because;stray cases,1948
3. cardiogram is used as a time reference for other;Orias, O.; Braun Menendez, E.,1939
4. viously indicated by Orias and Braun Menendez;Rappaport, M.B.,1941
5. Ibid., 23, 591.