000 00394cam a2200145 4500
020 _a0720471176
050 0 0 _aMED QP121
_bB26
100 1 _aBartels, H.
245 1 0 _aPrenatal respiration
260 _aAmsterdam,
_bNorth-Holland
_c1970.
300 _axii, 187 p.
_bill.
500 _aSole distributors for the Western Hemisphere: Wiley Interscience, New York.
650 0 _aFetus
942 _cBK
999 _c2954
_d2954