Can all  of these imprtant and essential changes be expected to take place within seconds of birth?
	>	Dawes GS, Milne ED, Mott JC, Widdicombe JG (1953) The patency of the ductus arteriosus after birth. J Physiol. 1953 Oct;122(1):37-8P.
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			Dawes GS, Milne ED, Mott JC, Widdicombe JG.The closure of the foramen ovale after birth. J Physiol. 1953 Oct;122(1):38P.
	>			Born GV, Dawes GS, Mott JC, Widdicombe JG (1954) Changes in the heart and lungs at birth. Cold Spring Harbor Symposia on Quantitative Biology 1954;19:102-8.