I am searching some books for cheap or free but they are not yet on the usual databases (libgen, ebookee, torrent, MIRC...)

Anyone knows a site/place I could buy them as pdf/epub/mobi?

Fanaroff and Martin's Neonatal-Perinatal Medicine, 2-Volume Set: Diseases of the Fetus and Infant, 11e
NOT THE 10e - 9780323567114

The Neurological assessment of the preterm and fullterm newborn Infant- Dubowitz
ISBN-10: 1898683158
ISBN-13: 978-1898683155

Nelson's Neonatal Antimicrobial Therapy
ISBN10 1610023188
ISBN13 9781610023184

Essentials of Neonatal Ventilation, 1st edition
9788131249994

Pediatric & Neonatal Dosage Handbook
978-1591953746