Page 190 ppo=[0:10:100]; fetal74=[0 3.5 10.5 15.2 17.4 18.6 19.2... 19.5 19.7 19.8 19.9]; plot(ppo,fetal74); hold on fetal72=[0 2.2 7.3 12.0 15.2 16.9 18.0... 18.6 19.1 19.5 19.9]; plot(ppo,fetal72) maternal74=[0 1.3 4.6 8.7 11.5 13.2... 14.2 14.7 15.0 15.0 15.1]; plot(ppo,maternal74) maternal72=[0 1.0 4.0 7.8 10.6 12.5... 13.7 14.4 14.7 14.9 15.1]; plot(ppo,maternal72)