共 11 条
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[2]
HOLMSTROM EE, 1961, SEP C FLAG EX HOUS W, P75
[6]
ROBINSON SC, 1961, SEP C FLAG EX HOUS W, P61
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SCHRAM M, 1963, AM J OBST GYNEC, V83, P1284
[8]
SCOTTGRAY M, 1961, J OBSTET GYN BR COMM, V68, P723
[9]
TETON JB, 1963, OBSTET GYNECOL, V21, P356
[10]
WATT L, 1961, SEP S FLAG WASH DC, P37