“…He died 3 1/2 months after the diagnosis was made. The p-heavy chain fragments from five patients (cases 1, 7, 8, 11, and 26) have been subjected to detailed chemical analysis by Franklin et al [30], Bakhshi et al [24], Barnikol-Watanabe et al [31], Mihaesco et al [32], Mihaesco et al [33], Lebreton et al [34,35], and Roussel et al [36]. Figure 1 depicts the structure of these five p H C D proteins compared with the normal p-heavy chain.…”