000			00926cam a2200289 4500
001			9275112940
020			_a9275112940
035			_a(Sirsi) 9275112940
060			_aHB 1323.I4
100	1		_aPuffer, Ruth Rice.
245	0	0	_aBirthweight, maternal age, and birth order : _bthree important determinants in infant mortality / _cRuth R. Puffer, Carlos V. Serrano.
260			_aWashington, D.C. : _bPan American Health Organization, _c1975.
300			_a43 p.
440		0	_aScientific publication (Pan American Health Organization) ; _vno. 294
546			_aeng spa.
561			_aWHO monograph
596			_a4
650	0	2	_aInfant mortality.
650	0	2	_aBirth order.
650	0	2	_aBirth weight.
650	0	2	_aMaternal age.
651		2	_aAmericas.
700	1		_aSerrano, Carlos V.
710	2		_aPan American Health Organization.
008			900828s1975 1 0 eng
942			_2NLM _cMONOGRAPH
999			_c12373 _d12373