海量图书期刊资源,随时随地畅享阅读乐趣
School PregnanciesThe British Medical Journal · 1980
School pregnanciesWoodroffe, C. · BMJ · 1976
School pregnancies.BMJ · 1980
School pregnanciesEllison, S. · BMJ · 1976
School pregnanciesBartlett, D W G · BMJ · 1976
Pregnancy-related school dropouts in BotswanaMEEKERS, DOMINIQUE; AHMED, GHYASUDDIN · Population Studies · 1999
Pregnancy among High School StudentsPhillip H. Jones, Warner S. Tillack, Robert J. Melton and Jack C. Smith · Health Services Reports · 1973
Should childhood vaccination be mandatory? YesOffit, P. A. · BMJ · 2012
Should childhood vaccination be mandatory? NoSalisbury, D. M. · BMJ · 2012
Pancreatic adenocarcinomaBond-Smith, G.; Banga, N.; Hammond, T. M.; Imber, C. J. · BMJ · 2012
Bad medicine: dementiaSpence, D. · BMJ · 2012
Does early diagnosis really save lives?Spence, D. · BMJ · 2012
What is sampling error?Sedgwick, P. · BMJ · 2012
Pearson's correlation coefficientSedgwick, P. · BMJ · 2012
Telehealth for long term conditionsCar, J.; Huckvale, K.; Hermens, H. · BMJ · 2012