PMC:3463543 / 8577-8741 JSONTXT

{"project":"2_test","denotations":[{"id":"23056454-13904777-92972549","span":{"begin":149,"end":151},"obj":"13904777"},{"id":"23056454-5404072-92972550","span":{"begin":155,"end":157},"obj":"5404072"}],"text":"Harper 1961 Allantoic fluid diluted 1∶8 or 1∶10 incasein McIlvaine’s buffer (pH 7.2) ∼2.2 g L−1 (mainly Na2HPO4) a ∼1.9 g L−1 mainly casein -b [13], [43], [44]"}