RDX2
X



	oral_contraceptives@9@9@(?ð@@*@$@$?ð@ @ @&@?ð@@@?ð?ð@@?ð@@@
	dim

	dimnames	none	1-24	>24	Control	M.I.	25-29	30-34	35-36	40-44	45-49
	names	
Cigarettes	Disease	Ageþ
	class	xtabs	table
	call
	xtabs
	formula
	
~
	Weight
	
+ÿ
	
Cigarettes
	Diseaseþ
	Ageþþ
	data
	lancetþþþ