000 00281cam a22001211 4500
050 0 0 _aRJ48
_b.C74
100 1 _aCrook, William G.
245 1 0 _aAnswering parents' questions
260 _aSpringfield
_bThomas
_c[1963]
300 _a280 p.
_bill.
650 0 _aPediatrics.
942 _cBK
999 _c14259
_d14259