Which of the above concepts were advocated by Von Boenninghausen?
A. 1 and 2 only
B. 2 and 3 only
C. 1, 2 and 3
D. 1 and 3 only
Answer:C
Which of the above concepts were advocated by Von Boenninghausen?
A. 1 and 2 only B. 2 and 3 only C. 1, 2 and 3 D. 1 and 3 only